11269987 has 2 divisors, whose sum is σ = 11269988. Its totient is φ = 11269986.

The previous prime is 11269969. The next prime is 11270027. The reversal of 11269987 is 78996211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11269987 - 2¹¹ = 11267939 is a prime.

It is not a weakly prime, because it can be changed into another prime (11269087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634993 + 5634994.

It is an arithmetic number, because the mean of its divisors is an integer number (5634994).

Almost surely, 2^11269987 is an apocalyptic number.

11269987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11269987 is an equidigital number, since it uses as much as digits as its factorization.

11269987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 11269987 is about 3357.0801301131. The cubic root of 11269987 is about 224.2028548761.

The spelling of 11269987 in words is "eleven million, two hundred sixty-nine thousand, nine hundred eighty-seven".