12818925 has 48 divisors (see below), whose sum is σ = 26922880. Its totient is φ = 5857920.

The previous prime is 12818887. The next prime is 12818929. The reversal of 12818925 is 52981821.

It is not a de Polignac number, because 12818925 - 2⁸ = 12818669 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12818925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3369 + ... + 6081.

Almost surely, 2^12818925 is an apocalyptic number.

12818925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12818925 is an abundant number, since it is smaller than the sum of its proper divisors (14103955).

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

12818925 is a wasteful number, since it uses less digits than its factorization.

12818925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2728 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12818925 is about 3580.3526362636. The cubic root of 12818925 is about 234.0366477776.

The spelling of 12818925 in words is "twelve million, eight hundred eighteen thousand, nine hundred twenty-five".