13819992 has 32 divisors (see below), whose sum is σ = 36369600. Its totient is φ = 4364064.

The previous prime is 13819991. The next prime is 13820041. The reversal of 13819992 is 29991831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13819991) 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, 14698 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (1136550).

Almost surely, 2^13819992 is an apocalyptic number.

13819992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13819992 is an abundant number, since it is smaller than the sum of its proper divisors (22549608).

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

13819992 is a wasteful number, since it uses less digits than its factorization.

13819992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30335 (or 30331 counting only the distinct ones).

The product of its digits is 34992, while the sum is 42.

The square root of 13819992 is about 3717.5249831037. The cubic root of 13819992 is about 239.9768033136.

The spelling of 13819992 in words is "thirteen million, eight hundred nineteen thousand, nine hundred ninety-two".