12624742 has 8 divisors (see below), whose sum is σ = 20393856. Its totient is φ = 5826792.

The previous prime is 12624737. The next prime is 12624749. The reversal of 12624742 is 24742621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12624742² = 318768221133128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12624742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12624749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242758 + ... + 242809.

It is an arithmetic number, because the mean of its divisors is an integer number (2549232).

Almost surely, 2^12624742 is an apocalyptic number.

12624742 is a deficient number, since it is larger than the sum of its proper divisors (7769114).

12624742 is a wasteful number, since it uses less digits than its factorization.

12624742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485582.

The product of its digits is 5376, while the sum is 28.

The square root of 12624742 is about 3553.1312950692. The cubic root of 12624742 is about 232.8488892296.

It can be divided in two parts, 12624 and 742, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12624742 in words is "twelve million, six hundred twenty-four thousand, seven hundred forty-two".