12973859 has 4 divisors (see below), whose sum is σ = 13015104. Its totient is φ = 12932616.

The previous prime is 12973853. The next prime is 12973861. The reversal of 12973859 is 95837921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12973859 - 2⁸ = 12973603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20147 + ... + 20780.

It is an arithmetic number, because the mean of its divisors is an integer number (3253776).

Almost surely, 2^12973859 is an apocalyptic number.

12973859 is a deficient number, since it is larger than the sum of its proper divisors (41245).

12973859 is an equidigital number, since it uses as much as digits as its factorization.

12973859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41244.

The product of its digits is 136080, while the sum is 44.

The square root of 12973859 is about 3601.9243467902. The cubic root of 12973859 is about 234.9757572698.

The spelling of 12973859 in words is "twelve million, nine hundred seventy-three thousand, eight hundred fifty-nine".