11763889 has 2 divisors, whose sum is σ = 11763890. Its totient is φ = 11763888.

The previous prime is 11763887. The next prime is 11763923. The reversal of 11763889 is 98836711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10188864 + 1575025 = 3192^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 11763889 - 2¹ = 11763887 is a prime.

Together with 11763887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11763887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5881944 + 5881945.

It is an arithmetic number, because the mean of its divisors is an integer number (5881945).

Almost surely, 2^11763889 is an apocalyptic number.

It is an amenable number.

11763889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11763889 is an equidigital number, since it uses as much as digits as its factorization.

11763889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 11763889 is about 3429.8526207404. The cubic root of 11763889 is about 227.4313378106.

The spelling of 11763889 in words is "eleven million, seven hundred sixty-three thousand, eight hundred eighty-nine".