12774434 has 4 divisors (see below), whose sum is σ = 19161654. Its totient is φ = 6387216.

The previous prime is 12774427. The next prime is 12774457. The reversal of 12774434 is 43447721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43447721 = 241 ⋅180281.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 5736025 = 2653^2 + 2395^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12774434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193607 + ... + 3193610.

Almost surely, 2^12774434 is an apocalyptic number.

12774434 is a deficient number, since it is larger than the sum of its proper divisors (6387220).

12774434 is an equidigital number, since it uses as much as digits as its factorization.

12774434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387219.

The product of its digits is 18816, while the sum is 32.

The square root of 12774434 is about 3574.1340209903. The cubic root of 12774434 is about 233.7655747579.

The spelling of 12774434 in words is "twelve million, seven hundred seventy-four thousand, four hundred thirty-four".