14128399 has 8 divisors (see below), whose sum is σ = 14321088. Its totient is φ = 13937280.

The previous prime is 14128379. The next prime is 14128409. The reversal of 14128399 is 99382141.

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 14128399 - 2¹⁷ = 13997327 is a prime.

It is a super-2 number, since 2×14128399² = 399223316606402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14128319) 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, 38314 + ... + 38680.

It is an arithmetic number, because the mean of its divisors is an integer number (1790136).

Almost surely, 2^14128399 is an apocalyptic number.

14128399 is a deficient number, since it is larger than the sum of its proper divisors (192689).

14128399 is a wasteful number, since it uses less digits than its factorization.

14128399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its digits is 15552, while the sum is 37.

The square root of 14128399 is about 3758.7762636262. The cubic root of 14128399 is about 241.7487944938.

The spelling of 14128399 in words is "fourteen million, one hundred twenty-eight thousand, three hundred ninety-nine".