11339987 has 2 divisors, whose sum is σ = 11339988. Its totient is φ = 11339986.

The previous prime is 11339981. The next prime is 11340023. The reversal of 11339987 is 78993311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11339987 - 2⁴ = 11339971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11339981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669993 + 5669994.

It is an arithmetic number, because the mean of its divisors is an integer number (5669994).

Almost surely, 2^11339987 is an apocalyptic number.

11339987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11339987 is an equidigital number, since it uses as much as digits as its factorization.

11339987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 11339987 is about 3367.4897178759. The cubic root of 11339987 is about 224.6660857653. Note that the first 3 decimals are identical.

The spelling of 11339987 in words is "eleven million, three hundred thirty-nine thousand, nine hundred eighty-seven".