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12994512 = 243270719
BaseRepresentation
bin110001100100…
…011111010000
3220110012010020
4301210133100
511311311022
61142303440
7215310606
oct61443720
926405106
1012994512
117375a73
124427b80
1328cc87b
141a23876
15121a35c
hexc647d0

12994512 has 20 divisors (see below), whose sum is σ = 33569280. Its totient is φ = 4331488.

The previous prime is 12994507. The next prime is 12994529. The reversal of 12994512 is 21549921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135312 + ... + 135407.

It is an arithmetic number, because the mean of its divisors is an integer number (1678464).

Almost surely, 212994512 is an apocalyptic number.

12994512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12994512 is an abundant number, since it is smaller than the sum of its proper divisors (20574768).

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

12994512 is a wasteful number, since it uses less digits than its factorization.

12994512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270730 (or 270724 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 12994512 is about 3604.7901464579. The cubic root of 12994512 is about 235.1003766156.

The spelling of 12994512 in words is "twelve million, nine hundred ninety-four thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 270719 541438 812157 1082876 1624314 2165752 3248628 4331504 6497256 12994512