13664152 has 16 divisors (see below), whose sum is σ = 26245800. Its totient is φ = 6665280.

The previous prime is 13664143. The next prime is 13664159. The reversal of 13664152 is 25146631.

It is a self number, because there is not a number n which added to its sum of digits gives 13664152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20502 + ... + 21157.

Almost surely, 2^13664152 is an apocalyptic number.

It is an amenable number.

13664152 is a deficient number, since it is larger than the sum of its proper divisors (12581648).

13664152 is a wasteful number, since it uses less digits than its factorization.

13664152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41706 (or 41702 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 13664152 is about 3696.5053767038. The cubic root of 13664152 is about 239.0713651603.

The spelling of 13664152 in words is "thirteen million, six hundred sixty-four thousand, one hundred fifty-two".