14047731 has 6 divisors (see below), whose sum is σ = 20291180. Its totient is φ = 9365148.

The previous prime is 14047727. The next prime is 14047739. The reversal of 14047731 is 13774041.

It is not a de Polignac number, because 14047731 - 2² = 14047727 is a prime.

It is a super-2 number, since 2×14047731² = 394677492496722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14047695 and 14047704.

It is not an unprimeable number, because it can be changed into a prime (14047739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780421 + ... + 780438.

Almost surely, 2^14047731 is an apocalyptic number.

14047731 is a deficient number, since it is larger than the sum of its proper divisors (6243449).

14047731 is a wasteful number, since it uses less digits than its factorization.

14047731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560865 (or 1560862 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 14047731 is about 3748.0302826952. The cubic root of 14047731 is about 241.2878169216.

The spelling of 14047731 in words is "fourteen million, forty-seven thousand, seven hundred thirty-one".