13720576 has 22 divisors (see below), whose sum is σ = 27429800. Its totient is φ = 6859776.

The previous prime is 13720543. The next prime is 13720589. The reversal of 13720576 is 67502731.

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, 5676 + ... + 7723.

Almost surely, 2^13720576 is an apocalyptic number.

13720576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13720576 is a deficient number, since it is larger than the sum of its proper divisors (13709224).

13720576 is an equidigital number, since it uses as much as digits as its factorization.

13720576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419 (or 13401 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 13720576 is about 3704.1295873660. The cubic root of 13720576 is about 239.3999826448.

The spelling of 13720576 in words is "thirteen million, seven hundred twenty thousand, five hundred seventy-six".