13946899 has 2 divisors, whose sum is σ = 13946900. Its totient is φ = 13946898.

The previous prime is 13946887. The next prime is 13946903. The reversal of 13946899 is 99864931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13946899 - 2⁷ = 13946771 is a prime.

It is not a weakly prime, because it can be changed into another prime (13946819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973449 + 6973450.

It is an arithmetic number, because the mean of its divisors is an integer number (6973450).

Almost surely, 2^13946899 is an apocalyptic number.

13946899 is a deficient number, since it is larger than the sum of its proper divisors (1).

13946899 is an equidigital number, since it uses as much as digits as its factorization.

13946899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 13946899 is about 3734.5547258007. The cubic root of 13946899 is about 240.7091237657.

The spelling of 13946899 in words is "thirteen million, nine hundred forty-six thousand, eight hundred ninety-nine".