12492775 has 6 divisors (see below), whose sum is σ = 15491072. Its totient is φ = 9994200.

The previous prime is 12492743. The next prime is 12492787. The reversal of 12492775 is 57729421.

It is not a de Polignac number, because 12492775 - 2⁵ = 12492743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249831 + ... + 249880.

Almost surely, 2^12492775 is an apocalyptic number.

12492775 is a deficient number, since it is larger than the sum of its proper divisors (2998297).

12492775 is an equidigital number, since it uses as much as digits as its factorization.

12492775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499721 (or 499716 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 12492775 is about 3534.5119889456. The cubic root of 12492775 is about 232.0347190905.

The spelling of 12492775 in words is "twelve million, four hundred ninety-two thousand, seven hundred seventy-five".