13679888 has 10 divisors (see below), whose sum is σ = 26504814. Its totient is φ = 6839936.

The previous prime is 13679879. The next prime is 13679903. The reversal of 13679888 is 88897631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11916304 + 1763584 = 3452^2 + 1328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427481 + ... + 427512.

Almost surely, 2^13679888 is an apocalyptic number.

It is an amenable number.

13679888 is a deficient number, since it is larger than the sum of its proper divisors (12824926).

13679888 is an equidigital number, since it uses as much as digits as its factorization.

13679888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855001 (or 854995 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 13679888 is about 3698.6332610844. The cubic root of 13679888 is about 239.1631035957.

The spelling of 13679888 in words is "thirteen million, six hundred seventy-nine thousand, eight hundred eighty-eight".