12499023 has 4 divisors (see below), whose sum is σ = 16665368. Its totient is φ = 8332680.

The previous prime is 12499021. The next prime is 12499027. The reversal of 12499023 is 32099421.

12499023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12499023 - 2¹ = 12499021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083168 + ... + 2083173.

It is an arithmetic number, because the mean of its divisors is an integer number (4166342).

Almost surely, 2^12499023 is an apocalyptic number.

12499023 is a deficient number, since it is larger than the sum of its proper divisors (4166345).

12499023 is an equidigital number, since it uses as much as digits as its factorization.

12499023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166344.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 12499023 is about 3535.3957345678. The cubic root of 12499023 is about 232.0733950800.

The spelling of 12499023 in words is "twelve million, four hundred ninety-nine thousand, twenty-three".