12669715 has 4 divisors (see below), whose sum is σ = 15203664. Its totient is φ = 10135768.

The previous prime is 12669707. The next prime is 12669791. The reversal of 12669715 is 51796621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12669715 - 2³ = 12669707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266967 + ... + 1266976.

It is an arithmetic number, because the mean of its divisors is an integer number (3800916).

Almost surely, 2^12669715 is an apocalyptic number.

12669715 is a deficient number, since it is larger than the sum of its proper divisors (2533949).

12669715 is an equidigital number, since it uses as much as digits as its factorization.

12669715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533948.

The product of its digits is 22680, while the sum is 37.

The square root of 12669715 is about 3559.4543121102. The cubic root of 12669715 is about 233.1250533677.

The spelling of 12669715 in words is "twelve million, six hundred sixty-nine thousand, seven hundred fifteen".