12986575 has 12 divisors (see below), whose sum is σ = 18404080. Its totient is φ = 8904960.

The previous prime is 12986563. The next prime is 12986579. The reversal of 12986575 is 57568921.

12986575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12986575 - 2¹¹ = 12984527 is a prime.

It is a super-2 number, since 2×12986575² = 337302260461250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36930 + ... + 37279.

Almost surely, 2^12986575 is an apocalyptic number.

12986575 is a deficient number, since it is larger than the sum of its proper divisors (5417505).

12986575 is an equidigital number, since it uses as much as digits as its factorization.

12986575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74226 (or 74221 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 12986575 is about 3603.6890820380. The cubic root of 12986575 is about 235.0525007192.

The spelling of 12986575 in words is "twelve million, nine hundred eighty-six thousand, five hundred seventy-five".