12542132 has 24 divisors (see below), whose sum is σ = 22722336. Its totient is φ = 6054048.

The previous prime is 12542113. The next prime is 12542137. The reversal of 12542132 is 23124521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542137) 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 7 ways as a sum of consecutive naturals, for example, 13763 + ... + 14645.

It is an arithmetic number, because the mean of its divisors is an integer number (946764).

Almost surely, 2^12542132 is an apocalyptic number.

It is an amenable number.

12542132 is a deficient number, since it is larger than the sum of its proper divisors (10180204).

12542132 is a wasteful number, since it uses less digits than its factorization.

12542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 12542132 is about 3541.4872582010. The cubic root of 12542132 is about 232.3398951691.

Adding to 12542132 its reverse (23124521), we get a palindrome (35666653).

The spelling of 12542132 in words is "twelve million, five hundred forty-two thousand, one hundred thirty-two".