11297712 has 20 divisors (see below), whose sum is σ = 29185880. Its totient is φ = 3765888.

The previous prime is 11297683. The next prime is 11297743. The reversal of 11297712 is 21779211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11297712.

It is an unprimeable number.

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, 117637 + ... + 117732.

It is an arithmetic number, because the mean of its divisors is an integer number (1459294).

Almost surely, 2^11297712 is an apocalyptic number.

11297712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11297712 is an abundant number, since it is smaller than the sum of its proper divisors (17888168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11297712 is a wasteful number, since it uses less digits than its factorization.

11297712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235380 (or 235374 counting only the distinct ones).

The product of its digits is 1764, while the sum is 30.

The square root of 11297712 is about 3361.2069260907. The cubic root of 11297712 is about 224.3865561768.

The spelling of 11297712 in words is "eleven million, two hundred ninety-seven thousand, seven hundred twelve".