14191387 has 16 divisors (see below), whose sum is σ = 16811200. Its totient is φ = 11726208.

The previous prime is 14191381. The next prime is 14191393. The reversal of 14191387 is 78319141.

14191387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14191381) and next prime (14191393).

It is a cyclic number.

It is not a de Polignac number, because 14191387 - 2¹⁵ = 14158619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14191381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40489 + ... + 40837.

It is an arithmetic number, because the mean of its divisors is an integer number (1050700).

Almost surely, 2^14191387 is an apocalyptic number.

14191387 is a deficient number, since it is larger than the sum of its proper divisors (2619813).

14191387 is a wasteful number, since it uses less digits than its factorization.

14191387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 6048, while the sum is 34.

The square root of 14191387 is about 3767.1457364960. The cubic root of 14191387 is about 242.1075211485.

The spelling of 14191387 in words is "fourteen million, one hundred ninety-one thousand, three hundred eighty-seven".