12542772 has 24 divisors (see below), whose sum is σ = 31927392. Its totient is φ = 3800800.

The previous prime is 12542767. The next prime is 12542773. The reversal of 12542772 is 27724521.

It is a super-2 number, since 2×12542772² = 314642258887968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47379 + ... + 47642.

It is an arithmetic number, because the mean of its divisors is an integer number (1330308).

Almost surely, 2^12542772 is an apocalyptic number.

12542772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12542772 is an abundant number, since it is smaller than the sum of its proper divisors (19384620).

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

12542772 is a wasteful number, since it uses less digits than its factorization.

12542772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95039 (or 95037 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 12542772 is about 3541.5776145667. The cubic root of 12542772 is about 232.3438470491.

The spelling of 12542772 in words is "twelve million, five hundred forty-two thousand, seven hundred seventy-two".