13120615 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 9882880.

The previous prime is 13120589. The next prime is 13120619. The reversal of 13120615 is 51602131.

It is not a de Polignac number, because 13120615 - 2⁷ = 13120487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13120592 and 13120601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4842 + ... + 7048.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^13120615 is an apocalyptic number.

13120615 is a deficient number, since it is larger than the sum of its proper divisors (3571865).

13120615 is a wasteful number, since it uses less digits than its factorization.

13120615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

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

The square root of 13120615 is about 3622.2389484958. The cubic root of 13120615 is about 235.8584267716.

Adding to 13120615 its reverse (51602131), we get a palindrome (64722746).

The spelling of 13120615 in words is "thirteen million, one hundred twenty thousand, six hundred fifteen".