14388121 has 4 divisors (see below), whose sum is σ = 15696144. Its totient is φ = 13080100.

The previous prime is 14388119. The next prime is 14388139. The reversal of 14388121 is 12188341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14388121 - 2¹ = 14388119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14388121.

It is not an unprimeable number, because it can be changed into a prime (14388181) 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, 653995 + ... + 654016.

It is an arithmetic number, because the mean of its divisors is an integer number (3924036).

Almost surely, 2^14388121 is an apocalyptic number.

14388121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14388121 is a deficient number, since it is larger than the sum of its proper divisors (1308023).

14388121 is a wasteful number, since it uses less digits than its factorization.

14388121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308022.

The product of its digits is 1536, while the sum is 28.

The square root of 14388121 is about 3793.1676735942. The cubic root of 14388121 is about 243.2211628287.

It can be divided in two parts, 1438 and 8121, that added together give a palindrome (9559).

The spelling of 14388121 in words is "fourteen million, three hundred eighty-eight thousand, one hundred twenty-one".