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12995316 = 2234192111
BaseRepresentation
bin110001100100…
…101011110100
3220110020020000
4301210223310
511311322231
61142311300
7215313135
oct61445364
926406200
1012995316
117376634
124428530
132900049
141a23c8c
15121a6e6
hexc64af4

12995316 has 60 divisors (see below), whose sum is σ = 35777280. Its totient is φ = 4101840.

The previous prime is 12995309. The next prime is 12995321. The reversal of 12995316 is 61359921.

12995316 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5101 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (596288).

Almost surely, 212995316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12995316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888640).

12995316 is an abundant number, since it is smaller than the sum of its proper divisors (22781964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12995316 is a wasteful number, since it uses less digits than its factorization.

12995316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2135 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 12995316 is about 3604.9016630138. The cubic root of 12995316 is about 235.1052252472.

The spelling of 12995316 in words is "twelve million, nine hundred ninety-five thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 2111 3078 4222 6156 6333 8444 12666 18999 25332 37998 40109 56997 75996 80218 113994 120327 160436 170991 227988 240654 341982 360981 481308 683964 721962 1082943 1443924 2165886 3248829 4331772 6497658 12995316