14709439 has 4 divisors (see below), whose sum is σ = 15483640. Its totient is φ = 13935240.

The previous prime is 14709433. The next prime is 14709451. The reversal of 14709439 is 93490741.

14709439 = T₃₁₃₀ + T₃₁₃₁ + T₃₁₃₂.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14709439 - 2¹¹ = 14707391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14709398 and 14709407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14709433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387072 + ... + 387109.

It is an arithmetic number, because the mean of its divisors is an integer number (3870910).

Almost surely, 2^14709439 is an apocalyptic number.

14709439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14709439 is the 3132-nd centered triangular number.

14709439 is a deficient number, since it is larger than the sum of its proper divisors (774201).

14709439 is an equidigital number, since it uses as much as digits as its factorization.

14709439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774200.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 14709439 is about 3835.2886462429. The cubic root of 14709439 is about 245.0184020608.

The spelling of 14709439 in words is "fourteen million, seven hundred nine thousand, four hundred thirty-nine".