Search a number
-
+
12994695 = 335713751
BaseRepresentation
bin110001100100…
…100010000111
3220110012101000
4301210202013
511311312240
61142304343
7215311260
oct61444207
926405330
1012994695
11737611a
1244280b3
1328cc98c
141a23967
15121a430
hexc64887

12994695 has 32 divisors (see below), whose sum is σ = 26403840. Its totient is φ = 5940000.

The previous prime is 12994687. The next prime is 12994703. The reversal of 12994695 is 59649921.

It is an interprime number because it is at equal distance from previous prime (12994687) and next prime (12994703).

It is not a de Polignac number, because 12994695 - 23 = 12994687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12994695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5931 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (825120).

Almost surely, 212994695 is an apocalyptic number.

12994695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12994695 is an abundant number, since it is smaller than the sum of its proper divisors (13409145).

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

12994695 is a wasteful number, since it uses less digits than its factorization.

12994695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772 (or 13766 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 12994695 is about 3604.8155292608. The cubic root of 12994695 is about 235.1014802396.

It can be divided in two parts, 12994 and 695, that added together give a square (13689 = 1172).

The spelling of 12994695 in words is "twelve million, nine hundred ninety-four thousand, six hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 13751 41253 68755 96257 123759 206265 288771 371277 481285 618795 866313 1443855 1856385 2598939 4331565 12994695