12774340 has 12 divisors (see below), whose sum is σ = 26826156. Its totient is φ = 5109728.

The previous prime is 12774319. The next prime is 12774341. The reversal of 12774340 is 4347721.

12774340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8964036 + 3810304 = 2994^2 + 1952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12774299 and 12774308.

It is not an unprimeable number, because it can be changed into a prime (12774341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319339 + ... + 319378.

It is an arithmetic number, because the mean of its divisors is an integer number (2235513).

Almost surely, 2^12774340 is an apocalyptic number.

12774340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12774340 is an abundant number, since it is smaller than the sum of its proper divisors (14051816).

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

12774340 is a wasteful number, since it uses less digits than its factorization.

12774340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638726 (or 638724 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 12774340 is about 3574.1208709276. The cubic root of 12774340 is about 233.7650013726.

The spelling of 12774340 in words is "twelve million, seven hundred seventy-four thousand, three hundred forty".