12497859 has 12 divisors (see below), whose sum is σ = 19693752. Its totient is φ = 7574400.

The previous prime is 12497843. The next prime is 12497861. The reversal of 12497859 is 95879421.

It is not a de Polignac number, because 12497859 - 2⁴ = 12497843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12497059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63022 + ... + 63219.

It is an arithmetic number, because the mean of its divisors is an integer number (1641146).

Almost surely, 2^12497859 is an apocalyptic number.

12497859 is a deficient number, since it is larger than the sum of its proper divisors (7195893).

12497859 is a wasteful number, since it uses less digits than its factorization.

12497859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126258 (or 126255 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 12497859 is about 3535.2311098427. The cubic root of 12497859 is about 232.0661907351.

The spelling of 12497859 in words is "twelve million, four hundred ninety-seven thousand, eight hundred fifty-nine".