12722548 has 12 divisors (see below), whose sum is σ = 22345120. Its totient is φ = 6338232.

The previous prime is 12722543. The next prime is 12722573. The reversal of 12722548 is 84522721.

It is a happy number.

It is a super-2 number, since 2×12722548² = 323726455224608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722543) 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, 4488 + ... + 6751.

Almost surely, 2^12722548 is an apocalyptic number.

It is an amenable number.

12722548 is a deficient number, since it is larger than the sum of its proper divisors (9622572).

12722548 is a wasteful number, since it uses less digits than its factorization.

12722548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526 (or 11524 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12722548 is about 3566.8680940007. The cubic root of 12722548 is about 233.4486495759.

The spelling of 12722548 in words is "twelve million, seven hundred twenty-two thousand, five hundred forty-eight".