14487381 has 12 divisors (see below), whose sum is σ = 20961408. Its totient is φ = 9642024.

The previous prime is 14487379. The next prime is 14487397. The reversal of 14487381 is 18378441.

It is not a de Polignac number, because 14487381 - 2¹ = 14487379 is a prime.

It is a super-2 number, since 2×14487381² = 419768416478322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14487301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7036 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (1746784).

Almost surely, 2^14487381 is an apocalyptic number.

It is an amenable number.

14487381 is a deficient number, since it is larger than the sum of its proper divisors (6474027).

14487381 is a wasteful number, since it uses less digits than its factorization.

14487381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2709 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 14487381 is about 3806.2292363966. The cubic root of 14487381 is about 243.7791886150.

The spelling of 14487381 in words is "fourteen million, four hundred eighty-seven thousand, three hundred eighty-one".