11996397 has 16 divisors (see below), whose sum is σ = 20311680. Its totient is φ = 6854976.

The previous prime is 11996393. The next prime is 11996447. The reversal of 11996397 is 79369911.

11996397 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 639 + 7 = 666.

11996397 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 11996397 - 2² = 11996393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11996393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31548 + ... + 31925.

It is an arithmetic number, because the mean of its divisors is an integer number (1269480).

Almost surely, 2^11996397 is an apocalyptic number.

It is an amenable number.

11996397 is a deficient number, since it is larger than the sum of its proper divisors (8315283).

11996397 is an equidigital number, since it uses as much as digits as its factorization.

11996397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63489 (or 63483 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 11996397 is about 3463.5815278408. The cubic root of 11996397 is about 228.9199328536.

The spelling of 11996397 in words is "eleven million, nine hundred ninety-six thousand, three hundred ninety-seven".