14013121 has 4 divisors (see below), whose sum is σ = 14391892. Its totient is φ = 13634352.

The previous prime is 14013107. The next prime is 14013133. The reversal of 14013121 is 12131041.

14013121 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 12131041 = 13 ⋅933157.

It can be written as a sum of positive squares in 2 ways, for example, as 9000000 + 5013121 = 3000^2 + 2239^2 .

It is not a de Polignac number, because 14013121 - 2¹¹ = 14011073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14013101) 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, 189330 + ... + 189403.

It is an arithmetic number, because the mean of its divisors is an integer number (3597973).

Almost surely, 2^14013121 is an apocalyptic number.

It is an amenable number.

14013121 is a deficient number, since it is larger than the sum of its proper divisors (378771).

14013121 is an equidigital number, since it uses as much as digits as its factorization.

14013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378770.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 14013121 is about 3743.4103435237. The cubic root of 14013121 is about 241.0894968996.

Adding to 14013121 its reverse (12131041), we get a palindrome (26144162).

The spelling of 14013121 in words is "fourteen million, thirteen thousand, one hundred twenty-one".