11997337 has 8 divisors (see below), whose sum is σ = 13216320. Its totient is φ = 10799760.

The previous prime is 11997319. The next prime is 11997343. The reversal of 11997337 is 73379911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11997337 - 2¹⁵ = 11964569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11997337.

It is not an unprimeable number, because it can be changed into a prime (11997347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4162 + ... + 6427.

It is an arithmetic number, because the mean of its divisors is an integer number (1652040).

Almost surely, 2^11997337 is an apocalyptic number.

It is an amenable number.

11997337 is a deficient number, since it is larger than the sum of its proper divisors (1218983).

11997337 is a wasteful number, since it uses less digits than its factorization.

11997337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703.

The product of its digits is 35721, while the sum is 40.

The square root of 11997337 is about 3463.7172228691. The cubic root of 11997337 is about 228.9259118465.

The spelling of 11997337 in words is "eleven million, nine hundred ninety-seven thousand, three hundred thirty-seven".