12746774 has 4 divisors (see below), whose sum is σ = 19120164. Its totient is φ = 6373386.

The previous prime is 12746771. The next prime is 12746779. The reversal of 12746774 is 47764721.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186692 + ... + 3186695.

It is an arithmetic number, because the mean of its divisors is an integer number (4780041).

Almost surely, 2^12746774 is an apocalyptic number.

12746774 is a deficient number, since it is larger than the sum of its proper divisors (6373390).

12746774 is an equidigital number, since it uses as much as digits as its factorization.

12746774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373389.

The product of its digits is 65856, while the sum is 38.

The square root of 12746774 is about 3570.2624553385. The cubic root of 12746774 is about 233.5967315761.

The spelling of 12746774 in words is "twelve million, seven hundred forty-six thousand, seven hundred seventy-four".