12775922 has 4 divisors (see below), whose sum is σ = 19163886. Its totient is φ = 6387960.

The previous prime is 12775913. The next prime is 12775943. The reversal of 12775922 is 22957721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 2076481 = 3271^2 + 1441^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193979 + ... + 3193982.

Almost surely, 2^12775922 is an apocalyptic number.

12775922 is a deficient number, since it is larger than the sum of its proper divisors (6387964).

12775922 is an equidigital number, since it uses as much as digits as its factorization.

12775922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387963.

The product of its digits is 17640, while the sum is 35.

The square root of 12775922 is about 3574.3421772404. The cubic root of 12775922 is about 233.7746509505.

The spelling of 12775922 in words is "twelve million, seven hundred seventy-five thousand, nine hundred twenty-two".