13266245 has 4 divisors (see below), whose sum is σ = 15919500. Its totient is φ = 10612992.

The previous prime is 13266229. The next prime is 13266257. The reversal of 13266245 is 54266231.

13266245 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8099716 + 5166529 = 2846^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 13266245 - 2⁴ = 13266229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326620 + ... + 1326629.

It is an arithmetic number, because the mean of its divisors is an integer number (3979875).

Almost surely, 2^13266245 is an apocalyptic number.

It is an amenable number.

13266245 is a deficient number, since it is larger than the sum of its proper divisors (2653255).

13266245 is an equidigital number, since it uses as much as digits as its factorization.

13266245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653254.

The product of its digits is 8640, while the sum is 29.

The square root of 13266245 is about 3642.2856834686. The cubic root of 13266245 is about 236.7278413131.

The spelling of 13266245 in words is "thirteen million, two hundred sixty-six thousand, two hundred forty-five".