11930239 has 2 divisors, whose sum is σ = 11930240. Its totient is φ = 11930238.

The previous prime is 11930203. The next prime is 11930267. The reversal of 11930239 is 93203911.

It is an a-pointer prime, because the next prime (11930267) can be obtained adding 11930239 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11930239 - 2⁷ = 11930111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11930839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965119 + 5965120.

It is an arithmetic number, because the mean of its divisors is an integer number (5965120).

Almost surely, 2^11930239 is an apocalyptic number.

11930239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11930239 is an equidigital number, since it uses as much as digits as its factorization.

11930239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 11930239 is about 3454.0178053971. The cubic root of 11930239 is about 228.4983392985.

The spelling of 11930239 in words is "eleven million, nine hundred thirty thousand, two hundred thirty-nine".