13226591 has 8 divisors (see below), whose sum is σ = 15258240. Its totient is φ = 11230488.

The previous prime is 13226579. The next prime is 13226593. The reversal of 13226591 is 19562231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13226591 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 (13226593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8081 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (1907280).

Almost surely, 2^13226591 is an apocalyptic number.

13226591 is a deficient number, since it is larger than the sum of its proper divisors (2031649).

13226591 is a wasteful number, since it uses less digits than its factorization.

13226591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17773.

The product of its digits is 3240, while the sum is 29.

The square root of 13226591 is about 3636.8380497350. The cubic root of 13226591 is about 236.4917389734.

The spelling of 13226591 in words is "thirteen million, two hundred twenty-six thousand, five hundred ninety-one".