13307776 has 16 divisors (see below), whose sum is σ = 26511840. Its totient is φ = 6653824.

The previous prime is 13307761. The next prime is 13307803. The reversal of 13307776 is 67770331.

It is a tau number, because it is divible by the number of its divisors (16).

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, 51856 + ... + 52111.

It is an arithmetic number, because the mean of its divisors is an integer number (1656990).

Almost surely, 2^13307776 is an apocalyptic number.

13307776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13307776 is a deficient number, since it is larger than the sum of its proper divisors (13204064).

13307776 is an equidigital number, since it uses as much as digits as its factorization.

13307776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103981 (or 103969 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 13307776 is about 3647.9824560982. The cubic root of 13307776 is about 236.9746155464.

The spelling of 13307776 in words is "thirteen million, three hundred seven thousand, seven hundred seventy-six".