13919316 has 24 divisors (see below), whose sum is σ = 32653824. Its totient is φ = 4614720.

The previous prime is 13919303. The next prime is 13919329. The reversal of 13919316 is 61391931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13919303) and next prime (13919329).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (1360576).

Almost surely, 2^13919316 is an apocalyptic number.

It is an amenable number.

13919316 is an abundant number, since it is smaller than the sum of its proper divisors (18734508).

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

13919316 is a wasteful number, since it uses less digits than its factorization.

13919316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271 (or 6269 counting only the distinct ones).

The product of its digits is 4374, while the sum is 33.

The square root of 13919316 is about 3730.8599544877. The cubic root of 13919316 is about 240.5503343083.

The spelling of 13919316 in words is "thirteen million, nine hundred nineteen thousand, three hundred sixteen".