14021731 has 2 divisors, whose sum is σ = 14021732. Its totient is φ = 14021730.

The previous prime is 14021717. The next prime is 14021737. The reversal of 14021731 is 13712041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14021731 - 2⁷ = 14021603 is a prime.

It is a super-2 number, since 2×14021731² = 393217880472722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14021699 and 14021708.

It is not a weakly prime, because it can be changed into another prime (14021737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010865 + 7010866.

It is an arithmetic number, because the mean of its divisors is an integer number (7010866).

Almost surely, 2^14021731 is an apocalyptic number.

14021731 is a deficient number, since it is larger than the sum of its proper divisors (1).

14021731 is an equidigital number, since it uses as much as digits as its factorization.

14021731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 14021731 is about 3744.5601877924. The cubic root of 14021731 is about 241.1388638602.

Adding to 14021731 its reverse (13712041), we get a palindrome (27733772).

The spelling of 14021731 in words is "fourteen million, twenty-one thousand, seven hundred thirty-one".