11983397 has 2 divisors, whose sum is σ = 11983398. Its totient is φ = 11983396.

The previous prime is 11983393. The next prime is 11983403. The reversal of 11983397 is 79338911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9247681 + 2735716 = 3041^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 11983397 - 2² = 11983393 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11983393) 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 as a sum of consecutive naturals, namely, 5991698 + 5991699.

It is an arithmetic number, because the mean of its divisors is an integer number (5991699).

Almost surely, 2^11983397 is an apocalyptic number.

It is an amenable number.

11983397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11983397 is an equidigital number, since it uses as much as digits as its factorization.

11983397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 11983397 is about 3461.7043490165. The cubic root of 11983397 is about 228.8372126072.

The spelling of 11983397 in words is "eleven million, nine hundred eighty-three thousand, three hundred ninety-seven".