11239399 has 2 divisors, whose sum is σ = 11239400. Its totient is φ = 11239398.

The previous prime is 11239369. The next prime is 11239411. The reversal of 11239399 is 99393211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11239399 - 2⁵ = 11239367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11239369) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619699 + 5619700.

It is an arithmetic number, because the mean of its divisors is an integer number (5619700).

Almost surely, 2^11239399 is an apocalyptic number.

11239399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11239399 is an equidigital number, since it uses as much as digits as its factorization.

11239399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 37.

The square root of 11239399 is about 3352.5212900144. The cubic root of 11239399 is about 223.9998339178. Note that the first 3 decimals are identical.

The spelling of 11239399 in words is "eleven million, two hundred thirty-nine thousand, three hundred ninety-nine".