14039905 has 16 divisors (see below), whose sum is σ = 18454464. Its totient is φ = 10169280.

The previous prime is 14039899. The next prime is 14039923. The reversal of 14039905 is 50993041.

It is not a de Polignac number, because 14039905 - 2¹³ = 14031713 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 21514 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (1153404).

Almost surely, 2^14039905 is an apocalyptic number.

It is an amenable number.

14039905 is a deficient number, since it is larger than the sum of its proper divisors (4414559).

14039905 is a wasteful number, since it uses less digits than its factorization.

14039905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 14039905 is about 3746.9861222054. The cubic root of 14039905 is about 241.2430013988.

The spelling of 14039905 in words is "fourteen million, thirty-nine thousand, nine hundred five".