13874987 has 6 divisors (see below), whose sum is σ = 16140348. Its totient is φ = 11892804.

The previous prime is 13874983. The next prime is 13875023. The reversal of 13874987 is 78947831.

It is not a de Polignac number, because 13874987 - 2² = 13874983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13874981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141533 + ... + 141630.

It is an arithmetic number, because the mean of its divisors is an integer number (2690058).

Almost surely, 2^13874987 is an apocalyptic number.

13874987 is a deficient number, since it is larger than the sum of its proper divisors (2265361).

13874987 is an equidigital number, since it uses as much as digits as its factorization.

13874987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283177 (or 283170 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 13874987 is about 3724.9143614317. The cubic root of 13874987 is about 240.2947016382.

The spelling of 13874987 in words is "thirteen million, eight hundred seventy-four thousand, nine hundred eighty-seven".