13947743 has 2 divisors, whose sum is σ = 13947744. Its totient is φ = 13947742.

The previous prime is 13947709. The next prime is 13947751. The reversal of 13947743 is 34774931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13947743 - 2⁸ = 13947487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13947697 and 13947706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13947763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973871 + 6973872.

It is an arithmetic number, because the mean of its divisors is an integer number (6973872).

Almost surely, 2^13947743 is an apocalyptic number.

13947743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13947743 is an equidigital number, since it uses as much as digits as its factorization.

13947743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 13947743 is about 3734.6677228369. The cubic root of 13947743 is about 240.7139791916.

The spelling of 13947743 in words is "thirteen million, nine hundred forty-seven thousand, seven hundred forty-three".