13520996 has 6 divisors (see below), whose sum is σ = 23661750. Its totient is φ = 6760496.

The previous prime is 13520981. The next prime is 13520999. The reversal of 13520996 is 69902531.

It can be written as a sum of positive squares in only one way, i.e., 13424896 + 96100 = 3664^2 + 310^2 .

It is not an unprimeable number, because it can be changed into a prime (13520999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1690121 + ... + 1690128.

It is an arithmetic number, because the mean of its divisors is an integer number (3943625).

Almost surely, 2^13520996 is an apocalyptic number.

It is an amenable number.

13520996 is a deficient number, since it is larger than the sum of its proper divisors (10140754).

13520996 is a wasteful number, since it uses less digits than its factorization.

13520996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380253 (or 3380251 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 13520996 is about 3677.0906978208. The cubic root of 13520996 is about 238.2335348654.

The spelling of 13520996 in words is "thirteen million, five hundred twenty thousand, nine hundred ninety-six".