13663474 has 16 divisors (see below), whose sum is σ = 22441536. Its totient is φ = 6187600.

The previous prime is 13663457. The next prime is 13663487. The reversal of 13663474 is 47436631.

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 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 7840.

It is an arithmetic number, because the mean of its divisors is an integer number (1402596).

Almost surely, 2^13663474 is an apocalyptic number.

13663474 is a deficient number, since it is larger than the sum of its proper divisors (8778062).

13663474 is a wasteful number, since it uses less digits than its factorization.

13663474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its digits is 36288, while the sum is 34.

The square root of 13663474 is about 3696.4136673268. The cubic root of 13663474 is about 239.0674109433.

The spelling of 13663474 in words is "thirteen million, six hundred sixty-three thousand, four hundred seventy-four".