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12368925 = 325254973
BaseRepresentation
bin101111001011…
…110000011101
3212021101222100
4233023300131
511131301200
61121035313
7210064002
oct57136035
925241870
1012368925
116a88a58
124185b39
132740bba
1418dd8a9
151144d00
hexbcbc1d

12368925 has 18 divisors (see below), whose sum is σ = 22154522. Its totient is φ = 6596640.

The previous prime is 12368903. The next prime is 12368927. The reversal of 12368925 is 52986321.

It can be written as a sum of positive squares in 3 ways, for example, as 549081 + 11819844 = 741^2 + 3438^2 .

It is not a de Polignac number, because 12368925 - 25 = 12368893 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12368925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12368927) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27262 + ... + 27711.

Almost surely, 212368925 is an apocalyptic number.

12368925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12368925 is a deficient number, since it is larger than the sum of its proper divisors (9785597).

12368925 is a wasteful number, since it uses less digits than its factorization.

12368925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54989 (or 54981 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12368925 is about 3516.9482509699. The cubic root of 12368925 is about 231.2653946411.

The spelling of 12368925 in words is "twelve million, three hundred sixty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 54973 164919 274865 494757 824595 1374325 2473785 4122975 12368925