12502917 has 20 divisors (see below), whose sum is σ = 21346336. Its totient is φ = 7144200.

The previous prime is 12502873. The next prime is 12502921. The reversal of 12502917 is 71920521.

12502917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12502917 - 2⁸ = 12502661 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502957) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10459 + ... + 11592.

Almost surely, 2^12502917 is an apocalyptic number.

It is an amenable number.

12502917 is a deficient number, since it is larger than the sum of its proper divisors (8843419).

12502917 is an equidigital number, since it uses as much as digits as its factorization.

12502917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22070 (or 22061 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12502917 is about 3535.9464079649. The cubic root of 12502917 is about 232.0974929627.

The spelling of 12502917 in words is "twelve million, five hundred two thousand, nine hundred seventeen".