13994087 has 2 divisors, whose sum is σ = 13994088. Its totient is φ = 13994086.

The previous prime is 13994069. The next prime is 13994107. The reversal of 13994087 is 78049931.

It is a happy number.

13994087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13994087 - 2⁸ = 13993831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13994017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997043 + 6997044.

It is an arithmetic number, because the mean of its divisors is an integer number (6997044).

Almost surely, 2^13994087 is an apocalyptic number.

13994087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13994087 is an equidigital number, since it uses as much as digits as its factorization.

13994087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13994087 is about 3740.8671454624. The cubic root of 13994087 is about 240.9802902793.

The spelling of 13994087 in words is "thirteen million, nine hundred ninety-four thousand, eighty-seven".