13281792 has 40 divisors (see below), whose sum is σ = 35387616. Its totient is φ = 4426752.

The previous prime is 13281781. The next prime is 13281799. The reversal of 13281792 is 29718231.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13281799) 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, 2788 + ... + 5859.

Almost surely, 2^13281792 is an apocalyptic number.

13281792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13281792 is an abundant number, since it is smaller than the sum of its proper divisors (22105824).

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

13281792 is an frugal number, since it uses more digits than its factorization.

13281792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668 (or 8652 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 13281792 is about 3644.4192953062. The cubic root of 13281792 is about 236.8202807076.

The spelling of 13281792 in words is "thirteen million, two hundred eighty-one thousand, seven hundred ninety-two".