13256611 has 4 divisors (see below), whose sum is σ = 13276224. Its totient is φ = 13237000.

The previous prime is 13256597. The next prime is 13256647. The reversal of 13256611 is 11665231.

13256611 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 is a cyclic number.

It is not a de Polignac number, because 13256611 - 2¹⁵ = 13223843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13259611) 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, 8755 + ... + 10156.

It is an arithmetic number, because the mean of its divisors is an integer number (3319056).

Almost surely, 2^13256611 is an apocalyptic number.

13256611 is a deficient number, since it is larger than the sum of its proper divisors (19613).

13256611 is an equidigital number, since it uses as much as digits as its factorization.

13256611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612.

The product of its digits is 1080, while the sum is 25.

The square root of 13256611 is about 3640.9629220853. The cubic root of 13256611 is about 236.6705232019.

The spelling of 13256611 in words is "thirteen million, two hundred fifty-six thousand, six hundred eleven".