11914987 has 12 divisors (see below), whose sum is σ = 14054376. Its totient is φ = 10069920.

The previous prime is 11914967. The next prime is 11914993. The reversal of 11914987 is 78941911.

It is not a de Polignac number, because 11914987 - 2¹⁵ = 11882219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11914907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1171198).

Almost surely, 2^11914987 is an apocalyptic number.

11914987 is a deficient number, since it is larger than the sum of its proper divisors (2139389).

11914987 is an equidigital number, since it uses as much as digits as its factorization.

11914987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3411 counting only the distinct ones).

The product of its digits is 18144, while the sum is 40.

The square root of 11914987 is about 3451.8092357487. The cubic root of 11914987 is about 228.4009245732.

The spelling of 11914987 in words is "eleven million, nine hundred fourteen thousand, nine hundred eighty-seven".