13275776 has 32 divisors (see below), whose sum is σ = 28008180. Its totient is φ = 6246400.

The previous prime is 13275749. The next prime is 13275791. The reversal of 13275776 is 67757231.

It can be written as a sum of positive squares in 2 ways, for example, as 12673600 + 602176 = 3560^2 + 776^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 875 + ... + 5226.

Almost surely, 2^13275776 is an apocalyptic number.

13275776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13275776 is an abundant number, since it is smaller than the sum of its proper divisors (14732404).

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

13275776 is an equidigital number, since it uses as much as digits as its factorization.

13275776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132 (or 6120 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 13275776 is about 3643.5938302725. The cubic root of 13275776 is about 236.7845193191.

The spelling of 13275776 in words is "thirteen million, two hundred seventy-five thousand, seven hundred seventy-six".