11937897 has 24 divisors (see below), whose sum is σ = 18203328. Its totient is φ = 7524000.

The previous prime is 11937881. The next prime is 11937917. The reversal of 11937897 is 79873911.

It is not a de Polignac number, because 11937897 - 2⁴ = 11937881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11937817) 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 23 ways as a sum of consecutive naturals, for example, 20622 + ... + 21192.

It is an arithmetic number, because the mean of its divisors is an integer number (758472).

Almost surely, 2^11937897 is an apocalyptic number.

It is an amenable number.

11937897 is a deficient number, since it is larger than the sum of its proper divisors (6265431).

11937897 is a wasteful number, since it uses less digits than its factorization.

11937897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 698 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 11937897 is about 3455.1261916173. The cubic root of 11937897 is about 228.5472197389.

The spelling of 11937897 in words is "eleven million, nine hundred thirty-seven thousand, eight hundred ninety-seven".