11439197 has 24 divisors (see below), whose sum is σ = 15294240. Its totient is φ = 8436960.

The previous prime is 11439191. The next prime is 11439203. The reversal of 11439197 is 79193411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11439191) and next prime (11439203).

It is not a de Polignac number, because 11439197 - 2⁸ = 11438941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439191) 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 23 ways as a sum of consecutive naturals, for example, 9683 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (637260).

Almost surely, 2^11439197 is an apocalyptic number.

It is an amenable number.

11439197 is a deficient number, since it is larger than the sum of its proper divisors (3855043).

11439197 is a wasteful number, since it uses less digits than its factorization.

11439197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1154 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 11439197 is about 3382.1881970109. The cubic root of 11439197 is about 225.3193621249.

The spelling of 11439197 in words is "eleven million, four hundred thirty-nine thousand, one hundred ninety-seven".