12957773 has 4 divisors (see below), whose sum is σ = 12972540. Its totient is φ = 12943008.

The previous prime is 12957761. The next prime is 12957781. The reversal of 12957773 is 37775921.

12957773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1247689 + 11710084 = 1117^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 12957773 - 2¹⁶ = 12892237 is a prime.

It is a super-2 number, since 2×12957773² = 335807762239058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12957773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957673) 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, 5978 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (3243135).

Almost surely, 2^12957773 is an apocalyptic number.

It is an amenable number.

12957773 is a deficient number, since it is larger than the sum of its proper divisors (14767).

12957773 is an equidigital number, since it uses as much as digits as its factorization.

12957773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766.

The product of its digits is 92610, while the sum is 41.

The square root of 12957773 is about 3599.6906811558. The cubic root of 12957773 is about 234.8786033626.

The spelling of 12957773 in words is "twelve million, nine hundred fifty-seven thousand, seven hundred seventy-three".