12542552 has 16 divisors (see below), whose sum is σ = 25655400. Its totient is φ = 5701120.

The previous prime is 12542539. The next prime is 12542557. The reversal of 12542552 is 25524521.

It is a super-2 number, since 2×12542552² = 314631221345408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71177 + ... + 71352.

Almost surely, 2^12542552 is an apocalyptic number.

It is an amenable number.

12542552 is an abundant number, since it is smaller than the sum of its proper divisors (13112848).

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

12542552 is a wasteful number, since it uses less digits than its factorization.

12542552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142546 (or 142542 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 12542552 is about 3541.5465548260. The cubic root of 12542552 is about 232.3424886055.

The spelling of 12542552 in words is "twelve million, five hundred forty-two thousand, five hundred fifty-two".