13256834 has 4 divisors (see below), whose sum is σ = 19885254. Its totient is φ = 6628416.

The previous prime is 13256827. The next prime is 13256839. The reversal of 13256834 is 43865231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7980625 + 5276209 = 2825^2 + 2297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13256834.

It is not an unprimeable number, because it can be changed into a prime (13256839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314207 + ... + 3314210.

Almost surely, 2^13256834 is an apocalyptic number.

13256834 is a deficient number, since it is larger than the sum of its proper divisors (6628420).

13256834 is an equidigital number, since it uses as much as digits as its factorization.

13256834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628419.

The product of its digits is 17280, while the sum is 32.

The square root of 13256834 is about 3640.9935457235. The cubic root of 13256834 is about 236.6718502689.

The spelling of 13256834 in words is "thirteen million, two hundred fifty-six thousand, eight hundred thirty-four".