12952777 has 4 divisors (see below), whose sum is σ = 13228416. Its totient is φ = 12677140.

The previous prime is 12952757. The next prime is 12952781. The reversal of 12952777 is 77725921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12952777 - 2⁷ = 12952649 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12952747) 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 3 ways as a sum of consecutive naturals, for example, 137749 + ... + 137842.

It is an arithmetic number, because the mean of its divisors is an integer number (3307104).

Almost surely, 2^12952777 is an apocalyptic number.

It is an amenable number.

12952777 is a deficient number, since it is larger than the sum of its proper divisors (275639).

12952777 is an equidigital number, since it uses as much as digits as its factorization.

12952777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275638.

The product of its digits is 61740, while the sum is 40.

The square root of 12952777 is about 3598.9966657389. The cubic root of 12952777 is about 234.8484128778.

The spelling of 12952777 in words is "twelve million, nine hundred fifty-two thousand, seven hundred seventy-seven".