12625515 has 48 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 5711616.

The previous prime is 12625511. The next prime is 12625523. The reversal of 12625515 is 51552621.

12625515 is a `hidden beast` number, since 126 + 25 + 515 = 666.

It is not a de Polignac number, because 12625515 - 2² = 12625511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12625511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46801 + ... + 47069.

It is an arithmetic number, because the mean of its divisors is an integer number (526500).

Almost surely, 2^12625515 is an apocalyptic number.

12625515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12625515 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12625515 is a wasteful number, since it uses less digits than its factorization.

12625515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 433 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 12625515 is about 3553.2400706960. The cubic root of 12625515 is about 232.8536414988.

The spelling of 12625515 in words is "twelve million, six hundred twenty-five thousand, five hundred fifteen".