12525910 has 32 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 4830720.

The previous prime is 12525881. The next prime is 12525911. The reversal of 12525910 is 1952521.

12525910 = 138² + 139² + ... + 342².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56059 + ... + 56281.

It is an arithmetic number, because the mean of its divisors is an integer number (730296).

Almost surely, 2^12525910 is an apocalyptic number.

12525910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12525910 is a deficient number, since it is larger than the sum of its proper divisors (10843562).

12525910 is a wasteful number, since it uses less digits than its factorization.

12525910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 12525910 is about 3539.1962364356. The cubic root of 12525910 is about 232.2396824381.

The spelling of 12525910 in words is "twelve million, five hundred twenty-five thousand, nine hundred ten".