13260957 has 4 divisors (see below), whose sum is σ = 17681280. Its totient is φ = 8840636.

The previous prime is 13260913. The next prime is 13260979. The reversal of 13260957 is 75906231.

13260957 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13260957 - 2⁸ = 13260701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260257) 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, 2210157 + ... + 2210162.

It is an arithmetic number, because the mean of its divisors is an integer number (4420320).

Almost surely, 2^13260957 is an apocalyptic number.

It is an amenable number.

13260957 is a deficient number, since it is larger than the sum of its proper divisors (4420323).

13260957 is an equidigital number, since it uses as much as digits as its factorization.

13260957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420322.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13260957 is about 3641.5596933182. The cubic root of 13260957 is about 236.6963834492.

The spelling of 13260957 in words is "thirteen million, two hundred sixty thousand, nine hundred fifty-seven".