11197712 has 20 divisors (see below), whose sum is σ = 22444620. Its totient is φ = 5405568.

The previous prime is 11197687. The next prime is 11197723. The reversal of 11197712 is 21779111.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 5740816 = 2336^2 + 2396^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 11603 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1122231).

Almost surely, 2^11197712 is an apocalyptic number.

It is an amenable number.

11197712 is an abundant number, since it is smaller than the sum of its proper divisors (11246908).

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

11197712 is a wasteful number, since it uses less digits than its factorization.

11197712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24170 (or 24164 counting only the distinct ones).

The product of its digits is 882, while the sum is 29.

The square root of 11197712 is about 3346.2982532942. The cubic root of 11197712 is about 223.7225519007.

The spelling of 11197712 in words is "eleven million, one hundred ninety-seven thousand, seven hundred twelve".