12669552 has 60 divisors (see below), whose sum is σ = 40525680. Its totient is φ = 3619584.

The previous prime is 12669529. The next prime is 12669557. The reversal of 12669552 is 25596621.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12669557) 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, 5277 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (675428).

Almost surely, 2^12669552 is an apocalyptic number.

12669552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12669552 is an abundant number, since it is smaller than the sum of its proper divisors (27856128).

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

12669552 is a wasteful number, since it uses less digits than its factorization.

12669552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590 (or 12581 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 12669552 is about 3559.4314152685. The cubic root of 12669552 is about 233.1240536203.

The spelling of 12669552 in words is "twelve million, six hundred sixty-nine thousand, five hundred fifty-two".