13427816 has 16 divisors (see below), whose sum is σ = 25216800. Its totient is φ = 6703344.

The previous prime is 13427809. The next prime is 13427833. The reversal of 13427816 is 61872431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7715 + ... + 9293.

It is an arithmetic number, because the mean of its divisors is an integer number (1576050).

Almost surely, 2^13427816 is an apocalyptic number.

It is an amenable number.

13427816 is a deficient number, since it is larger than the sum of its proper divisors (11788984).

13427816 is a wasteful number, since it uses less digits than its factorization.

13427816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2644 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 13427816 is about 3664.3984499506. The cubic root of 13427816 is about 237.6850104117.

The spelling of 13427816 in words is "thirteen million, four hundred twenty-seven thousand, eight hundred sixteen".