13256273 has 4 divisors (see below), whose sum is σ = 13278720. Its totient is φ = 13233828.

The previous prime is 13256239. The next prime is 13256333. The reversal of 13256273 is 37265231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37265231 = 1013 ⋅36787.

It is a cyclic number.

It is not a de Polignac number, because 13256273 - 2²⁰ = 12207697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13250273) 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, 10313 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (3319680).

Almost surely, 2^13256273 is an apocalyptic number.

It is an amenable number.

13256273 is a deficient number, since it is larger than the sum of its proper divisors (22447).

13256273 is an equidigital number, since it uses as much as digits as its factorization.

13256273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446.

The product of its digits is 7560, while the sum is 29.

The square root of 13256273 is about 3640.9165054969. The cubic root of 13256273 is about 236.6685117447.

The spelling of 13256273 in words is "thirteen million, two hundred fifty-six thousand, two hundred seventy-three".