13251456 has 48 divisors (see below), whose sum is σ = 38135760. Its totient is φ = 4416768.

The previous prime is 13251451. The next prime is 13251467. The reversal of 13251456 is 65415231.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13251456² = 351202172239872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4600 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (794495).

Almost surely, 2^13251456 is an apocalyptic number.

13251456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13251456 is an abundant number, since it is smaller than the sum of its proper divisors (24884304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13251456 is a wasteful number, since it uses less digits than its factorization.

13251456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523 (or 11508 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13251456 is about 3640.2549361274. The cubic root of 13251456 is about 236.6398417876.

Adding to 13251456 its reverse (65415231), we get a palindrome (78666687).

The spelling of 13251456 in words is "thirteen million, two hundred fifty-one thousand, four hundred fifty-six".