13897792 has 28 divisors (see below), whose sum is σ = 28328620. Its totient is φ = 6759936.

The previous prime is 13897787. The next prime is 13897831. The reversal of 13897792 is 29779831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 7054336 = 2616^2 + 2656^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567 + ... + 5302.

Almost surely, 2^13897792 is an apocalyptic number.

It is an amenable number.

13897792 is an abundant number, since it is smaller than the sum of its proper divisors (14430828).

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

13897792 is an equidigital number, since it uses as much as digits as its factorization.

13897792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918 (or 5908 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The square root of 13897792 is about 3727.9742488381. The cubic root of 13897792 is about 240.4262794464.

The spelling of 13897792 in words is "thirteen million, eight hundred ninety-seven thousand, seven hundred ninety-two".