12859465 has 4 divisors (see below), whose sum is σ = 15431364. Its totient is φ = 10287568.

The previous prime is 12859453. The next prime is 12859481. The reversal of 12859465 is 56495821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56495821 = 61 ⋅926161.

It can be written as a sum of positive squares in 2 ways, for example, as 8415801 + 4443664 = 2901^2 + 2108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12859465 - 2⁵ = 12859433 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 1285942 + ... + 1285951.

It is an arithmetic number, because the mean of its divisors is an integer number (3857841).

Almost surely, 2^12859465 is an apocalyptic number.

It is an amenable number.

12859465 is a deficient number, since it is larger than the sum of its proper divisors (2571899).

12859465 is an equidigital number, since it uses as much as digits as its factorization.

12859465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571898.

The product of its digits is 86400, while the sum is 40.

The square root of 12859465 is about 3586.0096207344. The cubic root of 12859465 is about 234.2831026981.

The spelling of 12859465 in words is "twelve million, eight hundred fifty-nine thousand, four hundred sixty-five".