12695389 has 4 divisors (see below), whose sum is σ = 14509024. Its totient is φ = 10881756.

The previous prime is 12695387. The next prime is 12695393. The reversal of 12695389 is 98359621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12695389 - 2¹ = 12695387 is a prime.

It is a super-2 number, since 2×12695389² = 322345803722642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12695387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906807 + ... + 906820.

It is an arithmetic number, because the mean of its divisors is an integer number (3627256).

Almost surely, 2^12695389 is an apocalyptic number.

It is an amenable number.

12695389 is a deficient number, since it is larger than the sum of its proper divisors (1813635).

12695389 is an equidigital number, since it uses as much as digits as its factorization.

12695389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813634.

The product of its digits is 116640, while the sum is 43.

The square root of 12695389 is about 3563.0589386088. The cubic root of 12695389 is about 233.2824158738.

The spelling of 12695389 in words is "twelve million, six hundred ninety-five thousand, three hundred eighty-nine".