12486859 has 16 divisors (see below), whose sum is σ = 15653376. Its totient is φ = 9676800.

The previous prime is 12486847. The next prime is 12486863. The reversal of 12486859 is 95868421.

It is a happy number.

It is not a de Polignac number, because 12486859 - 2⁵ = 12486827 is a prime.

It is a super-3 number, since 3×12486859³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12486829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19474 + ... + 20104.

It is an arithmetic number, because the mean of its divisors is an integer number (978336).

Almost surely, 2^12486859 is an apocalyptic number.

12486859 is a deficient number, since it is larger than the sum of its proper divisors (3166517).

12486859 is a wasteful number, since it uses less digits than its factorization.

12486859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 138240, while the sum is 43.

The square root of 12486859 is about 3533.6749992041. The cubic root of 12486859 is about 231.9980863397.

The spelling of 12486859 in words is "twelve million, four hundred eighty-six thousand, eight hundred fifty-nine".