11197137 has 36 divisors (see below), whose sum is σ = 18416016. Its totient is φ = 6032880.

The previous prime is 11197129. The next prime is 11197181. The reversal of 11197137 is 73179111.

It is a happy number.

11197137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11197137 - 2³ = 11197129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11197117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52962 + ... + 53172.

It is an arithmetic number, because the mean of its divisors is an integer number (511556).

Almost surely, 2^11197137 is an apocalyptic number.

It is an amenable number.

11197137 is a deficient number, since it is larger than the sum of its proper divisors (7218879).

11197137 is a wasteful number, since it uses less digits than its factorization.

11197137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 240 counting only the distinct ones).

The product of its digits is 1323, while the sum is 30.

The square root of 11197137 is about 3346.2123363588. The cubic root of 11197137 is about 223.7187224676.

It can be divided in two parts, 1119 and 7137, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 11197137 in words is "eleven million, one hundred ninety-seven thousand, one hundred thirty-seven".