13913816 has 16 divisors (see below), whose sum is σ = 29815440. Its totient is φ = 5963040.

The previous prime is 13913807. The next prime is 13913819. The reversal of 13913816 is 61831931.

13913816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124175 + ... + 124286.

It is an arithmetic number, because the mean of its divisors is an integer number (1863465).

Almost surely, 2^13913816 is an apocalyptic number.

It is an amenable number.

13913816 is an abundant number, since it is smaller than the sum of its proper divisors (15901624).

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

13913816 is a wasteful number, since it uses less digits than its factorization.

13913816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248474 (or 248470 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 13913816 is about 3730.1227861828. The cubic root of 13913816 is about 240.5186469003.

The spelling of 13913816 in words is "thirteen million, nine hundred thirteen thousand, eight hundred sixteen".