14091381 has 8 divisors (see below), whose sum is σ = 20876160. Its totient is φ = 9394236.

The previous prime is 14091359. The next prime is 14091431. The reversal of 14091381 is 18319041.

14091381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14091381 - 2¹⁰ = 14090357 is a prime.

It is a super-2 number, since 2×14091381² = 397134036974322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 521903 = 14091381 / (1 + 4 + 0 + 9 + 1 + 3 + 8 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14092381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260925 + ... + 260978.

It is an arithmetic number, because the mean of its divisors is an integer number (2609520).

Almost surely, 2^14091381 is an apocalyptic number.

It is an amenable number.

14091381 is a deficient number, since it is larger than the sum of its proper divisors (6784779).

14091381 is an equidigital number, since it uses as much as digits as its factorization.

14091381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521912 (or 521906 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 14091381 is about 3753.8488248729. The cubic root of 14091381 is about 241.5374734489.

The spelling of 14091381 in words is "fourteen million, ninety-one thousand, three hundred eighty-one".