13864899 has 8 divisors (see below), whose sum is σ = 18986320. Its totient is φ = 8993376.

The previous prime is 13864891. The next prime is 13864919. The reversal of 13864899 is 99846831.

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

It is not a de Polignac number, because 13864899 - 2³ = 13864891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13864891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62344 + ... + 62565.

It is an arithmetic number, because the mean of its divisors is an integer number (2373290).

Almost surely, 2^13864899 is an apocalyptic number.

13864899 is a deficient number, since it is larger than the sum of its proper divisors (5121421).

13864899 is a wasteful number, since it uses less digits than its factorization.

13864899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124949.

The product of its digits is 373248, while the sum is 48.

The square root of 13864899 is about 3723.5599901170. The cubic root of 13864899 is about 240.2364509968.

The spelling of 13864899 in words is "thirteen million, eight hundred sixty-four thousand, eight hundred ninety-nine".