14507121 has 4 divisors (see below), whose sum is σ = 19342832. Its totient is φ = 9671412.

The previous prime is 14507117. The next prime is 14507131. The reversal of 14507121 is 12170541.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12170541 = 3 ⋅4056847.

It is not a de Polignac number, because 14507121 - 2² = 14507117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14507131) 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, 2417851 + ... + 2417856.

It is an arithmetic number, because the mean of its divisors is an integer number (4835708).

Almost surely, 2^14507121 is an apocalyptic number.

It is an amenable number.

14507121 is a deficient number, since it is larger than the sum of its proper divisors (4835711).

14507121 is an equidigital number, since it uses as much as digits as its factorization.

14507121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835710.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 14507121 is about 3808.8214712690. The cubic root of 14507121 is about 243.8898600375.

Adding to 14507121 its reverse (12170541), we get a palindrome (26677662).

The spelling of 14507121 in words is "fourteen million, five hundred seven thousand, one hundred twenty-one".