14890287 has 4 divisors (see below), whose sum is σ = 19853720. Its totient is φ = 9926856.

The previous prime is 14890277. The next prime is 14890289. The reversal of 14890287 is 78209841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78209841 = 3 ⋅26069947.

It is not a de Polignac number, because 14890287 - 2⁷ = 14890159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14890289) 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, 2481712 + ... + 2481717.

It is an arithmetic number, because the mean of its divisors is an integer number (4963430).

Almost surely, 2^14890287 is an apocalyptic number.

14890287 is a deficient number, since it is larger than the sum of its proper divisors (4963433).

14890287 is an equidigital number, since it uses as much as digits as its factorization.

14890287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963432.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 14890287 is about 3858.7934642839. The cubic root of 14890287 is about 246.0184565437.

The spelling of 14890287 in words is "fourteen million, eight hundred ninety thousand, two hundred eighty-seven".