13520116 has 12 divisors (see below), whose sum is σ = 23722020. Its totient is φ = 6742400.

The previous prime is 13520099. The next prime is 13520147. The reversal of 13520116 is 61102531.

It can be written as a sum of positive squares in 2 ways, for example, as 8880400 + 4639716 = 2980^2 + 2154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13520093 and 13520102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (1976835).

Almost surely, 2^13520116 is an apocalyptic number.

It is an amenable number.

13520116 is a deficient number, since it is larger than the sum of its proper divisors (10201904).

13520116 is a wasteful number, since it uses less digits than its factorization.

13520116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 13520116 is about 3676.9710360567. The cubic root of 13520116 is about 238.2283663591.

Adding to 13520116 its reverse (61102531), we get a palindrome (74622647).

The spelling of 13520116 in words is "thirteen million, five hundred twenty thousand, one hundred sixteen".