13432666 has 16 divisors (see below), whose sum is σ = 22229928. Its totient is φ = 6048000.

The previous prime is 13432633. The next prime is 13432687. The reversal of 13432666 is 66623431.

It can be written as a sum of positive squares in 4 ways, for example, as 4558225 + 8874441 = 2135^2 + 2979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 7366.

Almost surely, 2^13432666 is an apocalyptic number.

13432666 is a deficient number, since it is larger than the sum of its proper divisors (8797262).

13432666 is a wasteful number, since it uses less digits than its factorization.

13432666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657.

The product of its digits is 15552, while the sum is 31.

The square root of 13432666 is about 3665.0601632170. The cubic root of 13432666 is about 237.7136234922.

The spelling of 13432666 in words is "thirteen million, four hundred thirty-two thousand, six hundred sixty-six".