14121789 has 12 divisors (see below), whose sum is σ = 20696928. Its totient is φ = 8558440.

The previous prime is 14121787. The next prime is 14121799. The reversal of 14121789 is 98712141.

14121789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14121789 - 2¹ = 14121787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19089 + ... + 19814.

It is an arithmetic number, because the mean of its divisors is an integer number (1724744).

Almost surely, 2^14121789 is an apocalyptic number.

It is an amenable number.

14121789 is a deficient number, since it is larger than the sum of its proper divisors (6575139).

14121789 is a wasteful number, since it uses less digits than its factorization.

14121789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928 (or 38917 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 14121789 is about 3757.8968852272. The cubic root of 14121789 is about 241.7110877255.

The spelling of 14121789 in words is "fourteen million, one hundred twenty-one thousand, seven hundred eighty-nine".