12859406 has 8 divisors (see below), whose sum is σ = 22044720. Its totient is φ = 5511168.

The previous prime is 12859381. The next prime is 12859411. The reversal of 12859406 is 60495821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459251 + ... + 459278.

It is an arithmetic number, because the mean of its divisors is an integer number (2755590).

Almost surely, 2^12859406 is an apocalyptic number.

12859406 is a deficient number, since it is larger than the sum of its proper divisors (9185314).

12859406 is an equidigital number, since it uses as much as digits as its factorization.

12859406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918538.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12859406 is about 3586.0013943109. The cubic root of 12859406 is about 234.2827443959.

The spelling of 12859406 in words is "twelve million, eight hundred fifty-nine thousand, four hundred six".