11860987 has 4 divisors (see below), whose sum is σ = 11876256. Its totient is φ = 11845720.

The previous prime is 11860973. The next prime is 11860993. The reversal of 11860987 is 78906811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11860987 - 2⁷ = 11860859 is a prime.

It is a super-2 number, since 2×11860987² = 281366025228338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11860087) 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, 6403 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (2969064).

Almost surely, 2^11860987 is an apocalyptic number.

11860987 is a deficient number, since it is larger than the sum of its proper divisors (15269).

11860987 is an equidigital number, since it uses as much as digits as its factorization.

11860987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 11860987 is about 3443.9783681086. The cubic root of 11860987 is about 228.0553561599.

The spelling of 11860987 in words is "eleven million, eight hundred sixty thousand, nine hundred eighty-seven".