11307987 has 12 divisors (see below), whose sum is σ = 16485040. Its totient is φ = 7468848.

The previous prime is 11307979. The next prime is 11308007. The reversal of 11307987 is 78970311.

It is not a de Polignac number, because 11307987 - 2³ = 11307979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11307287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4783 + ... + 6744.

Almost surely, 2^11307987 is an apocalyptic number.

11307987 is a deficient number, since it is larger than the sum of its proper divisors (5177053).

11307987 is a wasteful number, since it uses less digits than its factorization.

11307987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642 (or 11639 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11307987 is about 3362.7350475469. The cubic root of 11307987 is about 224.4545603079.

The spelling of 11307987 in words is "eleven million, three hundred seven thousand, nine hundred eighty-seven".