13613814 has 12 divisors (see below), whose sum is σ = 29496636. Its totient is φ = 4537932.

The previous prime is 13613813. The next prime is 13613857. The reversal of 13613814 is 41831631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378144 + ... + 378179.

It is an arithmetic number, because the mean of its divisors is an integer number (2458053).

Almost surely, 2^13613814 is an apocalyptic number.

13613814 is an abundant number, since it is smaller than the sum of its proper divisors (15882822).

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

13613814 is a wasteful number, since it uses less digits than its factorization.

13613814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756331 (or 756328 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 13613814 is about 3689.6902309001. The cubic root of 13613814 is about 238.7774285712. Note that the first 3 decimals are identical.

The spelling of 13613814 in words is "thirteen million, six hundred thirteen thousand, eight hundred fourteen".