13787814 has 8 divisors (see below), whose sum is σ = 27575640. Its totient is φ = 4595936.

The previous prime is 13787801. The next prime is 13787819. The reversal of 13787814 is 41878731.

It is a sphenic number, since it is the product of 3 distinct primes.

13787814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13787819) by changing a digit.

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, 1148979 + ... + 1148990.

It is an arithmetic number, because the mean of its divisors is an integer number (3446955).

Almost surely, 2^13787814 is an apocalyptic number.

13787814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13787814 is a wasteful number, since it uses less digits than its factorization.

13787814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297974.

The product of its digits is 37632, while the sum is 39.

The square root of 13787814 is about 3713.1945814891. The cubic root of 13787814 is about 239.7904072931.

The spelling of 13787814 in words is "thirteen million, seven hundred eighty-seven thousand, eight hundred fourteen".