12542548 has 12 divisors (see below), whose sum is σ = 22144500. Its totient is φ = 6215552.

The previous prime is 12542539. The next prime is 12542557. The reversal of 12542548 is 84524521.

It is an interprime number because it is at equal distance from previous prime (12542539) and next prime (12542557).

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 11168964 = 1172^2 + 3342^2 .

It is a congruent number.

It is an unprimeable number.

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, 13423 + ... + 14326.

It is an arithmetic number, because the mean of its divisors is an integer number (1845375).

Almost surely, 2^12542548 is an apocalyptic number.

It is an amenable number.

12542548 is a deficient number, since it is larger than the sum of its proper divisors (9601952).

12542548 is a wasteful number, since it uses less digits than its factorization.

12542548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27866 (or 27864 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 12542548 is about 3541.5459901009. The cubic root of 12542548 is about 232.3424639064.

The spelling of 12542548 in words is "twelve million, five hundred forty-two thousand, five hundred forty-eight".