13994867 has 2 divisors, whose sum is σ = 13994868. Its totient is φ = 13994866.

The previous prime is 13994839. The next prime is 13994873. The reversal of 13994867 is 76849931.

It is a strong prime.

It is an emirp because it is prime and its reverse (76849931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13994867 - 2²² = 9800563 is a prime.

It is not a weakly prime, because it can be changed into another prime (13994807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997433 + 6997434.

It is an arithmetic number, because the mean of its divisors is an integer number (6997434).

Almost surely, 2^13994867 is an apocalyptic number.

13994867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13994867 is an equidigital number, since it uses as much as digits as its factorization.

13994867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 13994867 is about 3740.9713979126. The cubic root of 13994867 is about 240.9847674354.

The spelling of 13994867 in words is "thirteen million, nine hundred ninety-four thousand, eight hundred sixty-seven".