13120015 has 8 divisors (see below), whose sum is σ = 16169760. Its totient is φ = 10212192.

The previous prime is 13119983. The next prime is 13120057. The reversal of 13120015 is 51002131.

13120015 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13120015 - 2⁵ = 13119983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13119977 and 13120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35275 + ... + 35644.

It is an arithmetic number, because the mean of its divisors is an integer number (2021220).

Almost surely, 2^13120015 is an apocalyptic number.

13120015 is a deficient number, since it is larger than the sum of its proper divisors (3049745).

13120015 is an equidigital number, since it uses as much as digits as its factorization.

13120015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70961.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13120015 is about 3622.1561258455. The cubic root of 13120015 is about 235.8548314824.

Adding to 13120015 its reverse (51002131), we get a palindrome (64122146).

The spelling of 13120015 in words is "thirteen million, one hundred twenty thousand, fifteen".