12277797 has 16 divisors (see below), whose sum is σ = 18967680. Its totient is φ = 6918912.

The previous prime is 12277721. The next prime is 12277799. The reversal of 12277797 is 79777221.

12277797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12277797 - 2¹⁵ = 12245029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (1185480).

Almost surely, 2^12277797 is an apocalyptic number.

It is an amenable number.

12277797 is a deficient number, since it is larger than the sum of its proper divisors (6689883).

12277797 is an equidigital number, since it uses as much as digits as its factorization.

12277797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092.

The product of its digits is 86436, while the sum is 42.

The square root of 12277797 is about 3503.9687498606. The cubic root of 12277797 is about 230.6960451943.

The spelling of 12277797 in words is "twelve million, two hundred seventy-seven thousand, seven hundred ninety-seven".