13679624 has 24 divisors (see below), whose sum is σ = 29837790. Its totient is φ = 5862528.

The previous prime is 13679623. The next prime is 13679669. The reversal of 13679624 is 42697631.

It can be written as a sum of positive squares in only one way, i.e., 13557124 + 122500 = 3682^2 + 350^2 .

It is a super-2 number, since 2×13679624² = 374264225562752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13679621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17057 + ... + 17840.

Almost surely, 2^13679624 is an apocalyptic number.

13679624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13679624 is an abundant number, since it is smaller than the sum of its proper divisors (16158166).

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

13679624 is a wasteful number, since it uses less digits than its factorization.

13679624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34917 (or 34906 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 13679624 is about 3698.5975720535. The cubic root of 13679624 is about 239.1615650971.

The spelling of 13679624 in words is "thirteen million, six hundred seventy-nine thousand, six hundred twenty-four".