13895816 has 16 divisors (see below), whose sum is σ = 28423440. Its totient is φ = 6316240.

The previous prime is 13895797. The next prime is 13895881. The reversal of 13895816 is 61859831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78866 + ... + 79041.

It is an arithmetic number, because the mean of its divisors is an integer number (1776465).

Almost surely, 2^13895816 is an apocalyptic number.

It is an amenable number.

13895816 is an abundant number, since it is smaller than the sum of its proper divisors (14527624).

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

13895816 is a wasteful number, since it uses less digits than its factorization.

13895816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157924 (or 157920 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 13895816 is about 3727.7092161272. The cubic root of 13895816 is about 240.4148842347.

It can be divided in two parts, 1389581 and 6, that multiplied together give a triangular number (8337486 = T₄₀₈₃).

The spelling of 13895816 in words is "thirteen million, eight hundred ninety-five thousand, eight hundred sixteen".