12823572 has 12 divisors (see below), whose sum is σ = 29921696. Its totient is φ = 4274520.

The previous prime is 12823541. The next prime is 12823607. The reversal of 12823572 is 27532821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 534304 + ... + 534327.

Almost surely, 2^12823572 is an apocalyptic number.

12823572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12823572 is an abundant number, since it is smaller than the sum of its proper divisors (17098124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12823572 is a wasteful number, since it uses less digits than its factorization.

12823572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068638 (or 1068636 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 12823572 is about 3581.0015358835. The cubic root of 12823572 is about 234.0649246393.

The spelling of 12823572 in words is "twelve million, eight hundred twenty-three thousand, five hundred seventy-two".