12626542 has 16 divisors (see below), whose sum is σ = 19686240. Its totient is φ = 6066592.

The previous prime is 12626539. The next prime is 12626543. The reversal of 12626542 is 24562621.

It is a self number, because there is not a number n which added to its sum of digits gives 12626542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16623 + ... + 17365.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 2^12626542 is an apocalyptic number.

12626542 is a deficient number, since it is larger than the sum of its proper divisors (7059698).

12626542 is a wasteful number, since it uses less digits than its factorization.

12626542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 5760, while the sum is 28.

The square root of 12626542 is about 3553.3845837455. The cubic root of 12626542 is about 232.8599550157.

The spelling of 12626542 in words is "twelve million, six hundred twenty-six thousand, five hundred forty-two".