13257235 has 4 divisors (see below), whose sum is σ = 15908688. Its totient is φ = 10605784.

The previous prime is 13257221. The next prime is 13257253. The reversal of 13257235 is 53275231.

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 13257235 - 2⁵ = 13257203 is a prime.

It is a Duffinian 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, 1325719 + ... + 1325728.

It is an arithmetic number, because the mean of its divisors is an integer number (3977172).

Almost surely, 2^13257235 is an apocalyptic number.

13257235 is a deficient number, since it is larger than the sum of its proper divisors (2651453).

13257235 is an equidigital number, since it uses as much as digits as its factorization.

13257235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651452.

The product of its digits is 6300, while the sum is 28.

The square root of 13257235 is about 3641.0486126939. The cubic root of 13257235 is about 236.6742365716.

The spelling of 13257235 in words is "thirteen million, two hundred fifty-seven thousand, two hundred thirty-five".