12669712 has 20 divisors (see below), whose sum is σ = 26779536. Its totient is φ = 5758880.

The previous prime is 12669707. The next prime is 12669791. The reversal of 12669712 is 21796621.

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, 35818 + ... + 36169.

Almost surely, 2^12669712 is an apocalyptic number.

It is an amenable number.

12669712 is an abundant number, since it is smaller than the sum of its proper divisors (14109824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12669712 is a wasteful number, since it uses less digits than its factorization.

12669712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72006 (or 72000 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 12669712 is about 3559.4538906973. The cubic root of 12669712 is about 233.1250349675.

The spelling of 12669712 in words is "twelve million, six hundred sixty-nine thousand, seven hundred twelve".