12617295 has 16 divisors (see below), whose sum is σ = 20375520. Its totient is φ = 6666624.

The previous prime is 12617287. The next prime is 12617303. The reversal of 12617295 is 59271621.

12617295 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (12617287) and next prime (12617303).

It is not a de Polignac number, because 12617295 - 2³ = 12617287 is a prime.

It is a super-2 number, since 2×12617295² = 318392266234050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1273470).

Almost surely, 2^12617295 is an apocalyptic number.

12617295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12617295 is a deficient number, since it is larger than the sum of its proper divisors (7758225).

12617295 is a wasteful number, since it uses less digits than its factorization.

12617295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7834.

The product of its digits is 7560, while the sum is 33.

The square root of 12617295 is about 3552.0831915934. The cubic root of 12617295 is about 232.8030964326.

The spelling of 12617295 in words is "twelve million, six hundred seventeen thousand, two hundred ninety-five".