11397973 has 8 divisors (see below), whose sum is σ = 12249792. Its totient is φ = 10566336.

The previous prime is 11397937. The next prime is 11397977. The reversal of 11397973 is 37979311.

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 11397973 - 2⁹ = 11397461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865 + ... + 6142.

It is an arithmetic number, because the mean of its divisors is an integer number (1531224).

Almost surely, 2^11397973 is an apocalyptic number.

It is an amenable number.

11397973 is a deficient number, since it is larger than the sum of its proper divisors (851819).

11397973 is a wasteful number, since it uses less digits than its factorization.

11397973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

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

The square root of 11397973 is about 3376.0884170886. The cubic root of 11397973 is about 225.0483714931.

The spelling of 11397973 in words is "eleven million, three hundred ninety-seven thousand, nine hundred seventy-three".