13814387 has 12 divisors (see below), whose sum is σ = 15444216. Its totient is φ = 12312000.

The previous prime is 13814371. The next prime is 13814389. The reversal of 13814387 is 78341831.

It is not a de Polignac number, because 13814387 - 2⁴ = 13814371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13814389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5012 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (1287018).

Almost surely, 2^13814387 is an apocalyptic number.

13814387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13814387 is a deficient number, since it is larger than the sum of its proper divisors (1629829).

13814387 is a wasteful number, since it uses less digits than its factorization.

13814387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2287 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 13814387 is about 3716.7710448721. The cubic root of 13814387 is about 239.9443563130.

The spelling of 13814387 in words is "thirteen million, eight hundred fourteen thousand, three hundred eighty-seven".