11866739 has 2 divisors, whose sum is σ = 11866740. Its totient is φ = 11866738.

The previous prime is 11866717. The next prime is 11866747. The reversal of 11866739 is 93766811.

11866739 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 11866739 - 2⁸ = 11866483 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11866696 and 11866705.

It is not a weakly prime, because it can be changed into another prime (11866709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933369 + 5933370.

It is an arithmetic number, because the mean of its divisors is an integer number (5933370).

Almost surely, 2^11866739 is an apocalyptic number.

11866739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866739 is an equidigital number, since it uses as much as digits as its factorization.

11866739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 11866739 is about 3444.8133476286. The cubic root of 11866739 is about 228.0922154425.

The spelling of 11866739 in words is "eleven million, eight hundred sixty-six thousand, seven hundred thirty-nine".