13946047 has 2 divisors, whose sum is σ = 13946048. Its totient is φ = 13946046.

The previous prime is 13946017. The next prime is 13946081. The reversal of 13946047 is 74064931.

It is a happy number.

It is an a-pointer prime, because the next prime (13946081) can be obtained adding 13946047 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13946047 - 2¹⁵ = 13913279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13946017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973023 + 6973024.

It is an arithmetic number, because the mean of its divisors is an integer number (6973024).

Almost surely, 2^13946047 is an apocalyptic number.

13946047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13946047 is an equidigital number, since it uses as much as digits as its factorization.

13946047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13946047 is about 3734.4406542346. The cubic root of 13946047 is about 240.7042221182.

The spelling of 13946047 in words is "thirteen million, nine hundred forty-six thousand, forty-seven".