12634742 has 4 divisors (see below), whose sum is σ = 18952116. Its totient is φ = 6317370.

The previous prime is 12634729. The next prime is 12634777. The reversal of 12634742 is 24743621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24743621 = 7 ⋅3534803.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3158684 + ... + 3158687.

It is an arithmetic number, because the mean of its divisors is an integer number (4738029).

Almost surely, 2^12634742 is an apocalyptic number.

12634742 is a deficient number, since it is larger than the sum of its proper divisors (6317374).

12634742 is an equidigital number, since it uses as much as digits as its factorization.

12634742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317373.

The product of its digits is 8064, while the sum is 29.

The square root of 12634742 is about 3554.5382259866. The cubic root of 12634742 is about 232.9103525152.

The spelling of 12634742 in words is "twelve million, six hundred thirty-four thousand, seven hundred forty-two".