14147231 has 12 divisors (see below), whose sum is σ = 17173872. Its totient is φ = 11598048.

The previous prime is 14147227. The next prime is 14147239. The reversal of 14147231 is 13274141.

It is a happy number.

It is not a de Polignac number, because 14147231 - 2² = 14147227 is a prime.

It is a super-2 number, since 2×14147231² = 400288289934722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14147197 and 14147206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14147239) 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, 5150 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (1431156).

Almost surely, 2^14147231 is an apocalyptic number.

14147231 is a deficient number, since it is larger than the sum of its proper divisors (3026641).

14147231 is a wasteful number, since it uses less digits than its factorization.

14147231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 12583 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 14147231 is about 3761.2805000425. The cubic root of 14147231 is about 241.8561572610.

The spelling of 14147231 in words is "fourteen million, one hundred forty-seven thousand, two hundred thirty-one".