12292643 has 4 divisors (see below), whose sum is σ = 13410168. Its totient is φ = 11175120.

The previous prime is 12292633. The next prime is 12292663. The reversal of 12292643 is 34629221.

12292643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12292643 - 2⁴ = 12292627 is a prime.

It is a super-2 number, since 2×12292643² = 302218143850898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12292633) 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, 558746 + ... + 558767.

It is an arithmetic number, because the mean of its divisors is an integer number (3352542).

Almost surely, 2^12292643 is an apocalyptic number.

12292643 is a deficient number, since it is larger than the sum of its proper divisors (1117525).

12292643 is a wasteful number, since it uses less digits than its factorization.

12292643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117524.

The product of its digits is 5184, while the sum is 29.

The square root of 12292643 is about 3506.0865648184. The cubic root of 12292643 is about 230.7889916725.

The spelling of 12292643 in words is "twelve million, two hundred ninety-two thousand, six hundred forty-three".