13120013 has 8 divisors (see below), whose sum is σ = 13849920. Its totient is φ = 12394080.

The previous prime is 13119983. The next prime is 13120057. The reversal of 13120013 is 31002131.

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

It is not a de Polignac number, because 13120013 - 2¹⁶ = 13054477 is a prime.

It is a super-2 number, since 2×13120013² = 344269482240338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13119976 and 13120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7928 + ... + 9438.

It is an arithmetic number, because the mean of its divisors is an integer number (1731240).

Almost surely, 2^13120013 is an apocalyptic number.

It is an amenable number.

13120013 is a deficient number, since it is larger than the sum of its proper divisors (729907).

13120013 is a wasteful number, since it uses less digits than its factorization.

13120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13120013 is about 3622.1558497668. The cubic root of 13120013 is about 235.8548194980.

Adding to 13120013 its reverse (31002131), we get a palindrome (44122144).

The spelling of 13120013 in words is "thirteen million, one hundred twenty thousand, thirteen".