12499975 has 18 divisors (see below), whose sum is σ = 16126944. Its totient is φ = 9601200.

The previous prime is 12499919. The next prime is 12499987. The reversal of 12499975 is 57999421.

It is a happy number.

12499975 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 12499975 - 2¹⁵ = 12467207 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98362 + ... + 98488.

Almost surely, 2^12499975 is an apocalyptic number.

12499975 is a deficient number, since it is larger than the sum of its proper divisors (3626969).

12499975 is an equidigital number, since it uses as much as digits as its factorization.

12499975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 163 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 12499975 is about 3535.5303703971. The cubic root of 12499975 is about 232.0792869609.

The spelling of 12499975 in words is "twelve million, four hundred ninety-nine thousand, nine hundred seventy-five".