11896139 has 2 divisors, whose sum is σ = 11896140. Its totient is φ = 11896138.

The previous prime is 11896133. The next prime is 11896193. The reversal of 11896139 is 93169811.

11896139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11896193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11896139 - 2⁸ = 11895883 is a prime.

It is not a weakly prime, because it can be changed into another prime (11896133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5948069 + 5948070.

It is an arithmetic number, because the mean of its divisors is an integer number (5948070).

Almost surely, 2^11896139 is an apocalyptic number.

11896139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11896139 is an equidigital number, since it uses as much as digits as its factorization.

11896139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 38.

The square root of 11896139 is about 3449.0779927395. The cubic root of 11896139 is about 228.2804272377.

The spelling of 11896139 in words is "eleven million, eight hundred ninety-six thousand, one hundred thirty-nine".