11587969 has 4 divisors (see below), whose sum is σ = 11646400. Its totient is φ = 11529540.

The previous prime is 11587951. The next prime is 11588009. The reversal of 11587969 is 96978511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11587969 - 2⁵ = 11587937 is a prime.

It is a super-2 number, since 2×11587969² = 268562051089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11587949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28917 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (2911600).

Almost surely, 2^11587969 is an apocalyptic number.

It is an amenable number.

11587969 is a deficient number, since it is larger than the sum of its proper divisors (58431).

11587969 is an equidigital number, since it uses as much as digits as its factorization.

11587969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58430.

The product of its digits is 136080, while the sum is 46.

The square root of 11587969 is about 3404.1106033735. The cubic root of 11587969 is about 226.2919517661.

The spelling of 11587969 in words is "eleven million, five hundred eighty-seven thousand, nine hundred sixty-nine".