13112259 has 4 divisors (see below), whose sum is σ = 17483016. Its totient is φ = 8741504.

The previous prime is 13112249. The next prime is 13112273. The reversal of 13112259 is 95221131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13112259 - 2⁴ = 13112243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13112249) 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, 2185374 + ... + 2185379.

It is an arithmetic number, because the mean of its divisors is an integer number (4370754).

Almost surely, 2^13112259 is an apocalyptic number.

13112259 is a deficient number, since it is larger than the sum of its proper divisors (4370757).

13112259 is an equidigital number, since it uses as much as digits as its factorization.

13112259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370756.

The product of its digits is 540, while the sum is 24.

The square root of 13112259 is about 3621.0853345371. The cubic root of 13112259 is about 235.8083465087.

It can be divided in two parts, 1311 and 2259, that added together give a triangular number (3570 = T₈₄).

The spelling of 13112259 in words is "thirteen million, one hundred twelve thousand, two hundred fifty-nine".