12612859 has 8 divisors (see below), whose sum is σ = 14450400. Its totient is φ = 10784256.

The previous prime is 12612851. The next prime is 12612881. The reversal of 12612859 is 95821621.

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

It is not a de Polignac number, because 12612859 - 2³ = 12612851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12612851) 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 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1806300).

Almost surely, 2^12612859 is an apocalyptic number.

12612859 is a deficient number, since it is larger than the sum of its proper divisors (1837541).

12612859 is an equidigital number, since it uses as much as digits as its factorization.

12612859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its digits is 8640, while the sum is 34.

The square root of 12612859 is about 3551.4587143877. The cubic root of 12612859 is about 232.7758101935.

The spelling of 12612859 in words is "twelve million, six hundred twelve thousand, eight hundred fifty-nine".