12775617 has 16 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 8480592.

The previous prime is 12775613. The next prime is 12775621. The reversal of 12775617 is 71657721.

It is an interprime number because it is at equal distance from previous prime (12775613) and next prime (12775621).

It is not a de Polignac number, because 12775617 - 2² = 12775613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12775613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6384 + ... + 8142.

It is an arithmetic number, because the mean of its divisors is an integer number (1188000).

Almost surely, 2^12775617 is an apocalyptic number.

It is an amenable number.

12775617 is a deficient number, since it is larger than the sum of its proper divisors (6232383).

12775617 is a wasteful number, since it uses less digits than its factorization.

12775617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2031 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 12775617 is about 3574.2995117925. The cubic root of 12775617 is about 233.7727906325.

The spelling of 12775617 in words is "twelve million, seven hundred seventy-five thousand, six hundred seventeen".