13120516 has 12 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 6467720.

The previous prime is 13120489. The next prime is 13120517. The reversal of 13120516 is 61502131.

It is a junction number, because it is equal to n+sod(n) for n = 13120493 and 13120502.

It is not an unprimeable number, because it can be changed into a prime (13120517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22816 + ... + 23383.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^13120516 is an apocalyptic number.

It is an amenable number.

13120516 is a deficient number, since it is larger than the sum of its proper divisors (10164284).

13120516 is a wasteful number, since it uses less digits than its factorization.

13120516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46274 (or 46272 counting only the distinct ones).

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

The square root of 13120516 is about 3622.2252828890. The cubic root of 13120516 is about 235.8578335564.

Adding to 13120516 its reverse (61502131), we get a palindrome (74622647).

The spelling of 13120516 in words is "thirteen million, one hundred twenty thousand, five hundred sixteen".