12499319 has 16 divisors (see below), whose sum is σ = 15014400. Its totient is φ = 10178784.

The previous prime is 12499307. The next prime is 12499339. The reversal of 12499319 is 91399421.

It is not a de Polignac number, because 12499319 - 2²⁰ = 11450743 is a prime.

It is a super-2 number, since 2×12499319² = 312465950927522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499339) 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, 13142 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (938400).

Almost surely, 2^12499319 is an apocalyptic number.

12499319 is a deficient number, since it is larger than the sum of its proper divisors (2515081).

12499319 is an equidigital number, since it uses as much as digits as its factorization.

12499319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its digits is 17496, while the sum is 38.

The square root of 12499319 is about 3535.4375966774. The cubic root of 12499319 is about 232.0752270414.

The spelling of 12499319 in words is "twelve million, four hundred ninety-nine thousand, three hundred nineteen".