13451256 has 96 divisors (see below), whose sum is σ = 44859360. Its totient is φ = 3545856.

The previous prime is 13451237. The next prime is 13451257. The reversal of 13451256 is 65215431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5526 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (467285).

Almost surely, 2^13451256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13451256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22429680).

13451256 is an abundant number, since it is smaller than the sum of its proper divisors (31408104).

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

13451256 is a wasteful number, since it uses less digits than its factorization.

13451256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2078 counting only the distinct ones).

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

The square root of 13451256 is about 3667.5953975323. The cubic root of 13451256 is about 237.8232333849.

Adding to 13451256 its reverse (65215431), we get a palindrome (78666687).

It can be divided in two parts, 1345 and 1256, that added together give a square (2601 = 51²).

The spelling of 13451256 in words is "thirteen million, four hundred fifty-one thousand, two hundred fifty-six".