12452542 has 16 divisors (see below), whose sum is σ = 19776240. Its totient is φ = 5870592.

The previous prime is 12452537. The next prime is 12452621. The reversal of 12452542 is 24525421.

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 7 ways as a sum of consecutive naturals, for example, 3 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (1236015).

Almost surely, 2^12452542 is an apocalyptic number.

12452542 is a deficient number, since it is larger than the sum of its proper divisors (7323698).

12452542 is a wasteful number, since it uses less digits than its factorization.

12452542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its digits is 3200, while the sum is 25.

The square root of 12452542 is about 3528.8159487284. The cubic root of 12452542 is about 231.7853618304.

Adding to 12452542 its reverse (24525421), we get a palindrome (36977963).

The spelling of 12452542 in words is "twelve million, four hundred fifty-two thousand, five hundred forty-two".