12534742 has 16 divisors (see below), whose sum is σ = 20664000. Its totient is φ = 5655240.

The previous prime is 12534721. The next prime is 12534761. The reversal of 12534742 is 24743521.

It is a self number, because there is not a number n which added to its sum of digits gives 12534742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (1291500).

Almost surely, 2^12534742 is an apocalyptic number.

12534742 is a deficient number, since it is larger than the sum of its proper divisors (8129258).

12534742 is a wasteful number, since it uses less digits than its factorization.

12534742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251.

The product of its digits is 6720, while the sum is 28.

The square root of 12534742 is about 3540.4437574971. The cubic root of 12534742 is about 232.2942535625.

It can be divided in two parts, 1253 and 4742, that added together give a palindrome (5995).

The spelling of 12534742 in words is "twelve million, five hundred thirty-four thousand, seven hundred forty-two".