13662964 has 18 divisors (see below), whose sum is σ = 27814290. Its totient is φ = 5855472.

The previous prime is 13662959. The next prime is 13662983. The reversal of 13662964 is 46926631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 6210064 = 2730^2 + 2492^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 34659 + ... + 35050.

Almost surely, 2^13662964 is an apocalyptic number.

13662964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13662964 is an abundant number, since it is smaller than the sum of its proper divisors (14151326).

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

13662964 is a wasteful number, since it uses less digits than its factorization.

13662964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69727 (or 69718 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 13662964 is about 3696.3446808976. The cubic root of 13662964 is about 239.0644364461.

The spelling of 13662964 in words is "thirteen million, six hundred sixty-two thousand, nine hundred sixty-four".