14138447 has 4 divisors (see below), whose sum is σ = 14263680. Its totient is φ = 14013216.

The previous prime is 14138419. The next prime is 14138473. The reversal of 14138447 is 74483141.

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 14138447 - 2⁸ = 14138191 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 (14138417) 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, 62447 + ... + 62672.

It is an arithmetic number, because the mean of its divisors is an integer number (3565920).

Almost surely, 2^14138447 is an apocalyptic number.

14138447 is a deficient number, since it is larger than the sum of its proper divisors (125233).

14138447 is a wasteful number, since it uses less digits than its factorization.

14138447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125232.

The product of its digits is 10752, while the sum is 32.

The square root of 14138447 is about 3760.1126312918. The cubic root of 14138447 is about 241.8060908245.

The spelling of 14138447 in words is "fourteen million, one hundred thirty-eight thousand, four hundred forty-seven".