12603957 has 4 divisors (see below), whose sum is σ = 16805280. Its totient is φ = 8402636.

The previous prime is 12603947. The next prime is 12603959. The reversal of 12603957 is 75930621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12603957 - 2¹¹ = 12601909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100657 + ... + 2100662.

It is an arithmetic number, because the mean of its divisors is an integer number (4201320).

Almost surely, 2^12603957 is an apocalyptic number.

It is an amenable number.

12603957 is a deficient number, since it is larger than the sum of its proper divisors (4201323).

12603957 is an equidigital number, since it uses as much as digits as its factorization.

12603957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201322.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 12603957 is about 3550.2052053367. The cubic root of 12603957 is about 232.7210338746.

The spelling of 12603957 in words is "twelve million, six hundred three thousand, nine hundred fifty-seven".