14811381 has 24 divisors (see below), whose sum is σ = 23377536. Its totient is φ = 8981280.

The previous prime is 14811367. The next prime is 14811383. The reversal of 14811381 is 18311841.

It is not a de Polignac number, because 14811381 - 2⁹ = 14810869 is a prime.

It is a super-2 number, since 2×14811381² = 438754014254322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14811383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7416 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (974064).

Almost surely, 2^14811381 is an apocalyptic number.

It is an amenable number.

14811381 is a deficient number, since it is larger than the sum of its proper divisors (8566155).

14811381 is a wasteful number, since it uses less digits than its factorization.

14811381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1870 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 14811381 is about 3848.5557031177. Note that the first 3 decimals coincide. The cubic root of 14811381 is about 245.5831230202.

The spelling of 14811381 in words is "fourteen million, eight hundred eleven thousand, three hundred eighty-one".