12503967 has 12 divisors (see below), whose sum is σ = 19394136. Its totient is φ = 7145040.

The previous prime is 12503941. The next prime is 12503971. The reversal of 12503967 is 76930521.

It is not a de Polignac number, because 12503967 - 2⁶ = 12503903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42384 + ... + 42677.

It is an arithmetic number, because the mean of its divisors is an integer number (1616178).

Almost surely, 2^12503967 is an apocalyptic number.

12503967 is a deficient number, since it is larger than the sum of its proper divisors (6890169).

12503967 is an equidigital number, since it uses as much as digits as its factorization.

12503967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85078 (or 85071 counting only the distinct ones).

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

The square root of 12503967 is about 3536.0948799488. The cubic root of 12503967 is about 232.1039899945.

The spelling of 12503967 in words is "twelve million, five hundred three thousand, nine hundred sixty-seven".