14039421 has 16 divisors (see below), whose sum is σ = 20487168. Its totient is φ = 8481200.

The previous prime is 14039419. The next prime is 14039429. The reversal of 14039421 is 12493041.

It is a cyclic number.

It is not a de Polignac number, because 14039421 - 2¹ = 14039419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14039391 and 14039400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14039429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14956 + ... + 15866.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^14039421 is an apocalyptic number.

14039421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14039421 is a deficient number, since it is larger than the sum of its proper divisors (6447747).

14039421 is a wasteful number, since it uses less digits than its factorization.

14039421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 14039421 is about 3746.9215364083. The cubic root of 14039421 is about 241.2402292301.

The spelling of 14039421 in words is "fourteen million, thirty-nine thousand, four hundred twenty-one".