13804887 has 16 divisors (see below), whose sum is σ = 19791360. Its totient is φ = 8531712.

The previous prime is 13804883. The next prime is 13804891. The reversal of 13804887 is 78840831.

It is an interprime number because it is at equal distance from previous prime (13804883) and next prime (13804891).

It is not a de Polignac number, because 13804887 - 2² = 13804883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13804883) 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 15 ways as a sum of consecutive naturals, for example, 103 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (1236960).

Almost surely, 2^13804887 is an apocalyptic number.

13804887 is a deficient number, since it is larger than the sum of its proper divisors (5986473).

13804887 is a wasteful number, since it uses less digits than its factorization.

13804887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 13804887 is about 3715.4928340666. The cubic root of 13804887 is about 239.8893413467.

The spelling of 13804887 in words is "thirteen million, eight hundred four thousand, eight hundred eighty-seven".