12494856 has 128 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 3444480.

The previous prime is 12494851. The next prime is 12494857. The reversal of 12494856 is 65849421.

It is a super-2 number, since 2×12494856² = 312242852921472, which contains 22 as substring.

Its product of digits (69120) is a multiple of the sum of its prime divisors (135).

It is not an unprimeable number, because it can be changed into a prime (12494851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235726 + ... + 235778.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^12494856 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 12494856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18662400).

12494856 is an abundant number, since it is smaller than the sum of its proper divisors (24829944).

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

12494856 is a wasteful number, since it uses less digits than its factorization.

12494856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 12494856 is about 3534.8063596186. The cubic root of 12494856 is about 232.0476022021.

It can be divided in two parts, 1249 and 4856, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 12494856 in words is "twelve million, four hundred ninety-four thousand, eight hundred fifty-six".