12975789 has 24 divisors (see below), whose sum is σ = 18534880. Its totient is φ = 8068032.

The previous prime is 12975779. The next prime is 12975791. The reversal of 12975789 is 98757921.

It is not a de Polignac number, because 12975789 - 2⁵ = 12975757 is a prime.

It is a super-2 number, since 2×12975789² = 336742200345042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93282 + ... + 93420.

Almost surely, 2^12975789 is an apocalyptic number.

It is an amenable number.

12975789 is a deficient number, since it is larger than the sum of its proper divisors (5559091).

12975789 is a wasteful number, since it uses less digits than its factorization.

12975789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 208 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The square root of 12975789 is about 3602.1922491727. The cubic root of 12975789 is about 234.9874084094.

The spelling of 12975789 in words is "twelve million, nine hundred seventy-five thousand, seven hundred eighty-nine".