11737643 has 2 divisors, whose sum is σ = 11737644. Its totient is φ = 11737642.

The previous prime is 11737589. The next prime is 11737673. The reversal of 11737643 is 34673711.

11737643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11737643 - 2⁸ = 11737387 is a prime.

It is not a weakly prime, because it can be changed into another prime (11737673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5868821 + 5868822.

It is an arithmetic number, because the mean of its divisors is an integer number (5868822).

Almost surely, 2^11737643 is an apocalyptic number.

11737643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11737643 is an equidigital number, since it uses as much as digits as its factorization.

11737643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 11737643 is about 3426.0243723593. The cubic root of 11737643 is about 227.2620738424.

The spelling of 11737643 in words is "eleven million, seven hundred thirty-seven thousand, six hundred forty-three".