14091231 has 16 divisors (see below), whose sum is σ = 23424768. Its totient is φ = 7320000.

The previous prime is 14091227. The next prime is 14091241. The reversal of 14091231 is 13219041.

It is not a de Polignac number, because 14091231 - 2² = 14091227 is a prime.

It is a super-2 number, since 2×14091231² = 397125582190722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 14091198 and 14091207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14091241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30270 + ... + 30731.

It is an arithmetic number, because the mean of its divisors is an integer number (1464048).

Almost surely, 2^14091231 is an apocalyptic number.

14091231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14091231 is a deficient number, since it is larger than the sum of its proper divisors (9333537).

14091231 is a wasteful number, since it uses less digits than its factorization.

14091231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61022.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 14091231 is about 3753.8288453258. The cubic root of 14091231 is about 241.5366164061.

The spelling of 14091231 in words is "fourteen million, ninety-one thousand, two hundred thirty-one".