14115421 has 4 divisors (see below), whose sum is σ = 14130144. Its totient is φ = 14100700.

The previous prime is 14115419. The next prime is 14115433. The reversal of 14115421 is 12451141.

14115421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 14115421 - 2¹ = 14115419 is a prime.

It is a super-2 number, since 2×14115421² = 398490220014482, 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 (14115401) 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, 5815 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (3532536).

Almost surely, 2^14115421 is an apocalyptic number.

It is an amenable number.

14115421 is a deficient number, since it is larger than the sum of its proper divisors (14723).

14115421 is a wasteful number, since it uses less digits than its factorization.

14115421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722.

The product of its digits is 160, while the sum is 19.

The square root of 14115421 is about 3757.0495072597. The cubic root of 14115421 is about 241.6747503175.

Adding to 14115421 its reverse (12451141), we get a palindrome (26566562).

The spelling of 14115421 in words is "fourteen million, one hundred fifteen thousand, four hundred twenty-one".