13275928 has 8 divisors (see below), whose sum is σ = 24892380. Its totient is φ = 6637960.

The previous prime is 13275901. The next prime is 13275931. The reversal of 13275928 is 82957231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13275928² = 352500528522368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829738 + ... + 829753.

Almost surely, 2^13275928 is an apocalyptic number.

It is an amenable number.

13275928 is a deficient number, since it is larger than the sum of its proper divisors (11616452).

13275928 is a wasteful number, since it uses less digits than its factorization.

13275928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659497 (or 1659493 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13275928 is about 3643.6146887397. The cubic root of 13275928 is about 236.7854229979.

The spelling of 13275928 in words is "thirteen million, two hundred seventy-five thousand, nine hundred twenty-eight".