13012113 has 4 divisors (see below), whose sum is σ = 17349488. Its totient is φ = 8674740.

The previous prime is 13012081. The next prime is 13012117. The reversal of 13012113 is 31121031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13012113 - 2⁵ = 13012081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168683 + ... + 2168688.

It is an arithmetic number, because the mean of its divisors is an integer number (4337372).

Almost surely, 2^13012113 is an apocalyptic number.

It is an amenable number.

13012113 is a deficient number, since it is larger than the sum of its proper divisors (4337375).

13012113 is an equidigital number, since it uses as much as digits as its factorization.

13012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337374.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13012113 is about 3607.2306552257. The cubic root of 13012113 is about 235.2064761452.

Adding to 13012113 its reverse (31121031), we get a palindrome (44133144).

The spelling of 13012113 in words is "thirteen million, twelve thousand, one hundred thirteen".