12625605 has 16 divisors (see below), whose sum is σ = 22445760. Its totient is φ = 6733584.

The previous prime is 12625601. The next prime is 12625609. The reversal of 12625605 is 50652621.

It is an interprime number because it is at equal distance from previous prime (12625601) and next prime (12625609).

It is not a de Polignac number, because 12625605 - 2² = 12625601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46627 + ... + 46896.

It is an arithmetic number, because the mean of its divisors is an integer number (1402860).

Almost surely, 2^12625605 is an apocalyptic number.

12625605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12625605 is a deficient number, since it is larger than the sum of its proper divisors (9820155).

12625605 is an equidigital number, since it uses as much as digits as its factorization.

12625605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93537 (or 93531 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 12625605 is about 3553.2527351710. The cubic root of 12625605 is about 232.8541947905.

The spelling of 12625605 in words is "twelve million, six hundred twenty-five thousand, six hundred five".