13663413 has 12 divisors (see below), whose sum is σ = 20775040. Its totient is φ = 8629416.

The previous prime is 13663399. The next prime is 13663423. The reversal of 13663413 is 31436631.

13663413 is a `hidden beast` number, since 13 + 6 + 634 + 13 = 666.

It is not a de Polignac number, because 13663413 - 2¹⁶ = 13597877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13663423) 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 11 ways as a sum of consecutive naturals, for example, 39781 + ... + 40122.

Almost surely, 2^13663413 is an apocalyptic number.

It is an amenable number.

13663413 is a deficient number, since it is larger than the sum of its proper divisors (7111627).

13663413 is a wasteful number, since it uses less digits than its factorization.

13663413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79928 (or 79925 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13663413 is about 3696.4054160765. The cubic root of 13663413 is about 239.0670551740.

The spelling of 13663413 in words is "thirteen million, six hundred sixty-three thousand, four hundred thirteen".