13215792 has 80 divisors (see below), whose sum is σ = 36882560. Its totient is φ = 4064256.

The previous prime is 13215791. The next prime is 13215803. The reversal of 13215792 is 29751231.

It is not an unprimeable number, because it can be changed into a prime (13215791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39048 + ... + 39384.

It is an arithmetic number, because the mean of its divisors is an integer number (461032).

Almost surely, 2^13215792 is an apocalyptic number.

13215792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13215792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18441280).

13215792 is an abundant number, since it is smaller than the sum of its proper divisors (23666768).

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

13215792 is a wasteful number, since it uses less digits than its factorization.

13215792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 404 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 13215792 is about 3635.3530777629. The cubic root of 13215792 is about 236.4273593296.

The spelling of 13215792 in words is "thirteen million, two hundred fifteen thousand, seven hundred ninety-two".