13969858 has 16 divisors (see below), whose sum is σ = 24013440. Its totient is φ = 5970816.

The previous prime is 13969849. The next prime is 13969859. The reversal of 13969858 is 85896931.

It is not an unprimeable number, because it can be changed into a prime (13969859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5010 + ... + 7282.

It is an arithmetic number, because the mean of its divisors is an integer number (1500840).

Almost surely, 2^13969858 is an apocalyptic number.

13969858 is a deficient number, since it is larger than the sum of its proper divisors (10043582).

13969858 is a wasteful number, since it uses less digits than its factorization.

13969858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

The product of its digits is 466560, while the sum is 49.

The square root of 13969858 is about 3737.6273222460. The cubic root of 13969858 is about 240.8411342591.

The spelling of 13969858 in words is "thirteen million, nine hundred sixty-nine thousand, eight hundred fifty-eight".