12274845 has 24 divisors (see below), whose sum is σ = 21590688. Its totient is φ = 5950560.

The previous prime is 12274837. The next prime is 12274883. The reversal of 12274845 is 54847221.

It is not a de Polignac number, because 12274845 - 2³ = 12274837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1567 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (899612).

Almost surely, 2^12274845 is an apocalyptic number.

12274845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12274845 is a deficient number, since it is larger than the sum of its proper divisors (9315843).

12274845 is a wasteful number, since it uses less digits than its factorization.

12274845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793 (or 6782 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12274845 is about 3503.5474879042. The cubic root of 12274845 is about 230.6775546537.

The spelling of 12274845 in words is "twelve million, two hundred seventy-four thousand, eight hundred forty-five".