12499256 has 64 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 4798080.

The previous prime is 12499247. The next prime is 12499271. The reversal of 12499256 is 65299421.

Its product of digits (38880) is a multiple of the sum of its prime factors (324).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63350 + ... + 63546.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^12499256 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 12499256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826240).

12499256 is an abundant number, since it is smaller than the sum of its proper divisors (17153224).

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

12499256 is a wasteful number, since it uses less digits than its factorization.

12499256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 320 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 12499256 is about 3535.4286868780. The cubic root of 12499256 is about 232.0748371332.

The spelling of 12499256 in words is "twelve million, four hundred ninety-nine thousand, two hundred fifty-six".