12499893 has 16 divisors (see below), whose sum is σ = 21164160. Its totient is φ = 7142688.

The previous prime is 12499873. The next prime is 12499897. The reversal of 12499893 is 39899421.

12499893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12499893 - 2⁹ = 12499381 is a prime.

It is a super-2 number, since 2×12499893² = 312494650022898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32880 + ... + 33257.

It is an arithmetic number, because the mean of its divisors is an integer number (1322760).

Almost surely, 2^12499893 is an apocalyptic number.

It is an amenable number.

12499893 is a deficient number, since it is larger than the sum of its proper divisors (8664267).

12499893 is an equidigital number, since it uses as much as digits as its factorization.

12499893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66153 (or 66147 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 12499893 is about 3535.5187738152. The cubic root of 12499893 is about 232.0787794787.

The spelling of 12499893 in words is "twelve million, four hundred ninety-nine thousand, eight hundred ninety-three".