11497977 has 8 divisors (see below), whose sum is σ = 17034080. Its totient is φ = 7665300.

The previous prime is 11497973. The next prime is 11497987. The reversal of 11497977 is 77979411.

It is not a de Polignac number, because 11497977 - 2² = 11497973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11497973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212899 + ... + 212952.

It is an arithmetic number, because the mean of its divisors is an integer number (2129260).

Almost surely, 2^11497977 is an apocalyptic number.

It is an amenable number.

11497977 is a deficient number, since it is larger than the sum of its proper divisors (5536103).

11497977 is an equidigital number, since it uses as much as digits as its factorization.

11497977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425860 (or 425854 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 11497977 is about 3390.8667033666. The cubic root of 11497977 is about 225.7046354249.

The spelling of 11497977 in words is "eleven million, four hundred ninety-seven thousand, nine hundred seventy-seven".