13439854 has 8 divisors (see below), whose sum is σ = 20179008. Its totient is φ = 6713520.

The previous prime is 13439831. The next prime is 13439869. The reversal of 13439854 is 45893431.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (2522376).

Almost surely, 2^13439854 is an apocalyptic number.

13439854 is a deficient number, since it is larger than the sum of its proper divisors (6739154).

13439854 is a wasteful number, since it uses less digits than its factorization.

13439854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410.

The product of its digits is 51840, while the sum is 37.

The square root of 13439854 is about 3666.0406435281. The cubic root of 13439854 is about 237.7560171822.

The spelling of 13439854 in words is "thirteen million, four hundred thirty-nine thousand, eight hundred fifty-four".