14306639 has 8 divisors (see below), whose sum is σ = 15945840. Its totient is φ = 12756096.

The previous prime is 14306623. The next prime is 14306647. The reversal of 14306639 is 93660341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14306639 - 2⁴ = 14306623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14306609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21824 + ... + 22469.

It is an arithmetic number, because the mean of its divisors is an integer number (1993230).

Almost surely, 2^14306639 is an apocalyptic number.

14306639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14306639 is a deficient number, since it is larger than the sum of its proper divisors (1639201).

14306639 is a wasteful number, since it uses less digits than its factorization.

14306639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44329.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 14306639 is about 3782.4117967244. The cubic root of 14306639 is about 242.7611612310.

The spelling of 14306639 in words is "fourteen million, three hundred six thousand, six hundred thirty-nine".