12762742 has 4 divisors (see below), whose sum is σ = 19144116. Its totient is φ = 6381370.

The previous prime is 12762727. The next prime is 12762751. The reversal of 12762742 is 24726721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24726721 = 17 ⋅1454513.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190684 + ... + 3190687.

It is an arithmetic number, because the mean of its divisors is an integer number (4786029).

Almost surely, 2^12762742 is an apocalyptic number.

12762742 is a deficient number, since it is larger than the sum of its proper divisors (6381374).

12762742 is an equidigital number, since it uses as much as digits as its factorization.

12762742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381373.

The product of its digits is 9408, while the sum is 31.

The square root of 12762742 is about 3572.4980055978. The cubic root of 12762742 is about 233.6942337918.

The spelling of 12762742 in words is "twelve million, seven hundred sixty-two thousand, seven hundred forty-two".