14391087 has 8 divisors (see below), whose sum is σ = 19326720. Its totient is φ = 9524760.

The previous prime is 14391073. The next prime is 14391089. The reversal of 14391087 is 78019341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14391087 - 2¹⁰ = 14390063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16839 + ... + 17672.

It is an arithmetic number, because the mean of its divisors is an integer number (2415840).

Almost surely, 2^14391087 is an apocalyptic number.

14391087 is a deficient number, since it is larger than the sum of its proper divisors (4935633).

14391087 is a wasteful number, since it uses less digits than its factorization.

14391087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34653.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 14391087 is about 3793.5586195550. The cubic root of 14391087 is about 243.2378744017.

The spelling of 14391087 in words is "fourteen million, three hundred ninety-one thousand, eighty-seven".