11988737 has 2 divisors, whose sum is σ = 11988738. Its totient is φ = 11988736.

The previous prime is 11988721. The next prime is 11988751. The reversal of 11988737 is 73788911.

11988737 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 591361 = 3376^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 11988737 - 2⁴ = 11988721 is a prime.

It is not a weakly prime, because it can be changed into another prime (11988707) 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, 5994368 + 5994369.

It is an arithmetic number, because the mean of its divisors is an integer number (5994369).

Almost surely, 2^11988737 is an apocalyptic number.

It is an amenable number.

11988737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11988737 is an equidigital number, since it uses as much as digits as its factorization.

11988737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 44.

The square root of 11988737 is about 3462.4755594805. The cubic root of 11988737 is about 228.8711987756.

The spelling of 11988737 in words is "eleven million, nine hundred eighty-eight thousand, seven hundred thirty-seven".