12998113 has 4 divisors (see below), whose sum is σ = 13218480. Its totient is φ = 12777748.

The previous prime is 12998099. The next prime is 12998131. The reversal of 12998113 is 31189921.

12998113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-12998113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12998143) 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, 110095 + ... + 110212.

It is an arithmetic number, because the mean of its divisors is an integer number (3304620).

Almost surely, 2^12998113 is an apocalyptic number.

It is an amenable number.

12998113 is a deficient number, since it is larger than the sum of its proper divisors (220367).

12998113 is an equidigital number, since it uses as much as digits as its factorization.

12998113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220366.

The product of its digits is 3888, while the sum is 34.

The square root of 12998113 is about 3605.2895861498. The cubic root of 12998113 is about 235.1220913791.

The spelling of 12998113 in words is "twelve million, nine hundred ninety-eight thousand, one hundred thirteen".