12499056 has 40 divisors (see below), whose sum is σ = 35878160. Its totient is φ = 4166208.

The previous prime is 12499037. The next prime is 12499057. The reversal of 12499056 is 65099421.

It is a super-2 number, since 2×12499056² = 312452801782272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12499056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14035 + ... + 14898.

It is an arithmetic number, because the mean of its divisors is an integer number (896954).

Almost surely, 2^12499056 is an apocalyptic number.

12499056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12499056 is an abundant number, since it is smaller than the sum of its proper divisors (23379104).

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

12499056 is a wasteful number, since it uses less digits than its factorization.

12499056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950 (or 28938 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12499056 is about 3535.4004016518. The cubic root of 12499056 is about 232.0735993204.

The spelling of 12499056 in words is "twelve million, four hundred ninety-nine thousand, fifty-six".