12705774 has 16 divisors (see below), whose sum is σ = 25453008. Its totient is φ = 4228352.

The previous prime is 12705773. The next prime is 12705811. The reversal of 12705774 is 47750721.

It is a happy number.

It is a super-2 number, since 2×12705774² = 322873385878152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3454 + ... + 6110.

It is an arithmetic number, because the mean of its divisors is an integer number (1590813).

Almost surely, 2^12705774 is an apocalyptic number.

12705774 is an abundant number, since it is smaller than the sum of its proper divisors (12747234).

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

12705774 is a wasteful number, since it uses less digits than its factorization.

12705774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 12705774 is about 3564.5159559188. The cubic root of 12705774 is about 233.3460079283.

The spelling of 12705774 in words is "twelve million, seven hundred five thousand, seven hundred seventy-four".