12774690 has 24 divisors (see below), whose sum is σ = 33214428. Its totient is φ = 3406560.

The previous prime is 12774677. The next prime is 12774709. The reversal of 12774690 is 9647721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 221841 = 3543^2 + 471^2 .

It is a super-2 number, since 2×12774690² = 326385409192200, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 70881 + ... + 71060.

Almost surely, 2^12774690 is an apocalyptic number.

12774690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12774690 is an abundant number, since it is smaller than the sum of its proper divisors (20439738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12774690 is a wasteful number, since it uses less digits than its factorization.

12774690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141954 (or 141951 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12774690 is about 3574.1698336817. The cubic root of 12774690 is about 233.7671363036.

The spelling of 12774690 in words is "twelve million, seven hundred seventy-four thousand, six hundred ninety".