13949854 has 8 divisors (see below), whose sum is σ = 20985120. Its totient is φ = 6954816.

The previous prime is 13949839. The next prime is 13949863. The reversal of 13949854 is 45894931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13949854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9174 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (2623140).

Almost surely, 2^13949854 is an apocalyptic number.

13949854 is a deficient number, since it is larger than the sum of its proper divisors (7035266).

13949854 is a wasteful number, since it uses less digits than its factorization.

13949854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114.

The product of its digits is 155520, while the sum is 43.

The square root of 13949854 is about 3734.9503343418. The cubic root of 13949854 is about 240.7261226516.

The spelling of 13949854 in words is "thirteen million, nine hundred forty-nine thousand, eight hundred fifty-four".