11587967 has 8 divisors (see below), whose sum is σ = 12230400. Its totient is φ = 10948824.

The previous prime is 11587951. The next prime is 11588009. The reversal of 11587967 is 76978511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11587967 - 2⁴ = 11587951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11587937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10634 + ... + 11672.

It is an arithmetic number, because the mean of its divisors is an integer number (1528800).

Almost surely, 2^11587967 is an apocalyptic number.

11587967 is a deficient number, since it is larger than the sum of its proper divisors (642433).

11587967 is a wasteful number, since it uses less digits than its factorization.

11587967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its digits is 105840, while the sum is 44.

The square root of 11587967 is about 3404.1103096110. The cubic root of 11587967 is about 226.2919387473.

The spelling of 11587967 in words is "eleven million, five hundred eighty-seven thousand, nine hundred sixty-seven".