12617402 has 12 divisors (see below), whose sum is σ = 22016250. Its totient is φ = 5407416.

The previous prime is 12617401. The next prime is 12617443. The reversal of 12617402 is 20471621.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 219961 = 3521^2 + 469^2 .

It is not an unprimeable number, because it can be changed into a prime (12617401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64277 + ... + 64472.

Almost surely, 2^12617402 is an apocalyptic number.

12617402 is a deficient number, since it is larger than the sum of its proper divisors (9398848).

12617402 is a wasteful number, since it uses less digits than its factorization.

12617402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128765 (or 128758 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12617402 is about 3552.0982531456. The cubic root of 12617402 is about 232.8037545204.

The spelling of 12617402 in words is "twelve million, six hundred seventeen thousand, four hundred two".