13256453 has 4 divisors (see below), whose sum is σ = 15150240. Its totient is φ = 11362668.

The previous prime is 13256449. The next prime is 13256527. The reversal of 13256453 is 35465231.

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 13256453 - 2² = 13256449 is a prime.

It is a super-2 number, since 2×13256453² = 351467092282418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256423) 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, 946883 + ... + 946896.

It is an arithmetic number, because the mean of its divisors is an integer number (3787560).

Almost surely, 2^13256453 is an apocalyptic number.

It is an amenable number.

13256453 is a deficient number, since it is larger than the sum of its proper divisors (1893787).

13256453 is an equidigital number, since it uses as much as digits as its factorization.

13256453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893786.

The product of its digits is 10800, while the sum is 29.

The square root of 13256453 is about 3640.9412244638. The cubic root of 13256453 is about 236.6695829392.

The spelling of 13256453 in words is "thirteen million, two hundred fifty-six thousand, four hundred fifty-three".