13299613 has 4 divisors (see below), whose sum is σ = 13659100. Its totient is φ = 12940128.

The previous prime is 13299581. The next prime is 13299617. The reversal of 13299613 is 31699231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31699231 = 337 ⋅94063.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 5890329 = 2722^2 + 2427^2 .

It is a cyclic number.

It is not a de Polignac number, because 13299613 - 2⁵ = 13299581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299617) 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, 179688 + ... + 179761.

It is an arithmetic number, because the mean of its divisors is an integer number (3414775).

Almost surely, 2^13299613 is an apocalyptic number.

It is an amenable number.

13299613 is a deficient number, since it is larger than the sum of its proper divisors (359487).

13299613 is an equidigital number, since it uses as much as digits as its factorization.

13299613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359486.

The product of its digits is 8748, while the sum is 34.

The square root of 13299613 is about 3646.8634468540. The cubic root of 13299613 is about 236.9261521656.

The spelling of 13299613 in words is "thirteen million, two hundred ninety-nine thousand, six hundred thirteen".