12947922 has 24 divisors (see below), whose sum is σ = 30212364. Its totient is φ = 3983904.

The previous prime is 12947903. The next prime is 12947927. The reversal of 12947922 is 22974921.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 1718721 = 3351^2 + 1311^2 .

It is not an unprimeable number, because it can be changed into a prime (12947927) by changing a digit.

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, 27433 + ... + 27900.

Almost surely, 2^12947922 is an apocalyptic number.

12947922 is an abundant number, since it is smaller than the sum of its proper divisors (17264442).

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

12947922 is a wasteful number, since it uses less digits than its factorization.

12947922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55354 (or 55351 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12947922 is about 3598.3221089836. The cubic root of 12947922 is about 234.8190670078.

It can be divided in two parts, 1294 and 7922, that added together give a square (9216 = 96²).

The spelling of 12947922 in words is "twelve million, nine hundred forty-seven thousand, nine hundred twenty-two".