11948239 has 2 divisors, whose sum is σ = 11948240. Its totient is φ = 11948238.

The previous prime is 11948231. The next prime is 11948257. The reversal of 11948239 is 93284911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11948239 - 2³ = 11948231 is a prime.

It is a super-2 number, since 2×11948239² = 285520830402242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11948198 and 11948207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11948231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5974119 + 5974120.

It is an arithmetic number, because the mean of its divisors is an integer number (5974120).

Almost surely, 2^11948239 is an apocalyptic number.

11948239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11948239 is an equidigital number, since it uses as much as digits as its factorization.

11948239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 11948239 is about 3456.6224844492. The cubic root of 11948239 is about 228.6131987837.

The spelling of 11948239 in words is "eleven million, nine hundred forty-eight thousand, two hundred thirty-nine".