12669952 has 22 divisors (see below), whose sum is σ = 25329578. Its totient is φ = 6334464.

The previous prime is 12669949. The next prime is 12669961. The reversal of 12669952 is 25996621.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 1806336 = 3296^2 + 1344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5163 + ... + 7210.

Almost surely, 2^12669952 is an apocalyptic number.

It is an amenable number.

12669952 is a deficient number, since it is larger than the sum of its proper divisors (12659626).

12669952 is an equidigital number, since it uses as much as digits as its factorization.

12669952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393 (or 12375 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 12669952 is about 3559.4876035744. The cubic root of 12669952 is about 233.1265069730.

The spelling of 12669952 in words is "twelve million, six hundred sixty-nine thousand, nine hundred fifty-two".