12860651 has 4 divisors (see below), whose sum is σ = 12980952. Its totient is φ = 12740352.

The previous prime is 12860623. The next prime is 12860669. The reversal of 12860651 is 15606821.

It is a happy number.

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 12860651 - 2²² = 8666347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12860051) 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 3 ways as a sum of consecutive naturals, for example, 59990 + ... + 60203.

It is an arithmetic number, because the mean of its divisors is an integer number (3245238).

Almost surely, 2^12860651 is an apocalyptic number.

12860651 is a deficient number, since it is larger than the sum of its proper divisors (120301).

12860651 is a wasteful number, since it uses less digits than its factorization.

12860651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120300.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12860651 is about 3586.1749817877. The cubic root of 12860651 is about 234.2903049474.

The spelling of 12860651 in words is "twelve million, eight hundred sixty thousand, six hundred fifty-one".