12764223 has 20 divisors (see below), whose sum is σ = 19587480. Its totient is φ = 8277552.

The previous prime is 12764209. The next prime is 12764251. The reversal of 12764223 is 32246721.

12764223 is a `hidden beast` number, since 12 + 7 + 642 + 2 + 3 = 666.

12764223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12764223 - 2⁴ = 12764207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 868 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (979374).

Almost surely, 2^12764223 is an apocalyptic number.

12764223 is a deficient number, since it is larger than the sum of its proper divisors (6823257).

12764223 is an equidigital number, since it uses as much as digits as its factorization.

12764223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4299 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12764223 is about 3572.7052775173. The cubic root of 12764223 is about 233.7032728049.

The spelling of 12764223 in words is "twelve million, seven hundred sixty-four thousand, two hundred twenty-three".