11718739 has 2 divisors, whose sum is σ = 11718740. Its totient is φ = 11718738.

The previous prime is 11718709. The next prime is 11718761. The reversal of 11718739 is 93781711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11718739 - 2¹³ = 11710547 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11718698 and 11718707.

It is not a weakly prime, because it can be changed into another prime (11718709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5859369 + 5859370.

It is an arithmetic number, because the mean of its divisors is an integer number (5859370).

Almost surely, 2^11718739 is an apocalyptic number.

11718739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11718739 is an equidigital number, since it uses as much as digits as its factorization.

11718739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 11718739 is about 3423.2643777541. The cubic root of 11718739 is about 227.1400030344.

The spelling of 11718739 in words is "eleven million, seven hundred eighteen thousand, seven hundred thirty-nine".