14431407 has 4 divisors (see below), whose sum is σ = 19241880. Its totient is φ = 9620936.

The previous prime is 14431381. The next prime is 14431409. The reversal of 14431407 is 70413441.

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 14431407 - 2¹⁵ = 14398639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431409) 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, 2405232 + ... + 2405237.

It is an arithmetic number, because the mean of its divisors is an integer number (4810470).

Almost surely, 2^14431407 is an apocalyptic number.

14431407 is a deficient number, since it is larger than the sum of its proper divisors (4810473).

14431407 is an equidigital number, since it uses as much as digits as its factorization.

14431407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810472.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 14431407 is about 3798.8691738463. The cubic root of 14431407 is about 243.4648252018.

Adding to 14431407 its reverse (70413441), we get a palindrome (84844848).

It can be divided in two parts, 1443 and 1407, that added together give a triangular number (2850 = T₇₅).

The spelling of 14431407 in words is "fourteen million, four hundred thirty-one thousand, four hundred seven".