13012925 has 12 divisors (see below), whose sum is σ = 16213620. Its totient is φ = 10360320.

The previous prime is 13012921. The next prime is 13012927. The reversal of 13012925 is 52921031.

It can be written as a sum of positive squares in 6 ways, for example, as 1466521 + 11546404 = 1211^2 + 3398^2 .

It is not a de Polignac number, because 13012925 - 2² = 13012921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4589 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (1351135).

Almost surely, 2^13012925 is an apocalyptic number.

It is an amenable number.

13012925 is a deficient number, since it is larger than the sum of its proper divisors (3200695).

13012925 is a wasteful number, since it uses less digits than its factorization.

13012925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13012925 is about 3607.3432051858. The cubic root of 13012925 is about 235.2113686041.

Adding to 13012925 its reverse (52921031), we get a palindrome (65933956).

The spelling of 13012925 in words is "thirteen million, twelve thousand, nine hundred twenty-five".