14816381 has 4 divisors (see below), whose sum is σ = 15160992. Its totient is φ = 14471772.

The previous prime is 14816369. The next prime is 14816387. The reversal of 14816381 is 18361841.

It is a happy number.

14816381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18361841 = 83 ⋅221227.

It is a cyclic number.

It is not a de Polignac number, because 14816381 - 2¹⁴ = 14799997 is a prime.

It is a super-2 number, since 2×14816381² = 439050291874322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14816387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172241 + ... + 172326.

It is an arithmetic number, because the mean of its divisors is an integer number (3790248).

Almost surely, 2^14816381 is an apocalyptic number.

It is an amenable number.

14816381 is a deficient number, since it is larger than the sum of its proper divisors (344611).

14816381 is an equidigital number, since it uses as much as digits as its factorization.

14816381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344610.

The product of its digits is 4608, while the sum is 32.

The square root of 14816381 is about 3849.2052426443. The cubic root of 14816381 is about 245.6107544177.

The spelling of 14816381 in words is "fourteen million, eight hundred sixteen thousand, three hundred eighty-one".