11576987 has 4 divisors (see below), whose sum is σ = 11644080. Its totient is φ = 11509896.

The previous prime is 11576959. The next prime is 11576989. The reversal of 11576987 is 78967511.

11576987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78967511 = 7 ⋅11281073.

It is a cyclic number.

It is not a de Polignac number, because 11576987 - 2⁸ = 11576731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11576989) 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, 33287 + ... + 33632.

It is an arithmetic number, because the mean of its divisors is an integer number (2911020).

Almost surely, 2^11576987 is an apocalyptic number.

11576987 is a deficient number, since it is larger than the sum of its proper divisors (67093).

11576987 is an equidigital number, since it uses as much as digits as its factorization.

11576987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67092.

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

The square root of 11576987 is about 3402.4971711965. The cubic root of 11576987 is about 226.2204430117.

The spelling of 11576987 in words is "eleven million, five hundred seventy-six thousand, nine hundred eighty-seven".