12114721 has 16 divisors (see below), whose sum is σ = 13426560. Its totient is φ = 10890880.

The previous prime is 12114701. The next prime is 12114731. The reversal of 12114721 is 12741121.

12114721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12114721 - 2⁵ = 12114689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12114701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27126 + ... + 27568.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^12114721 is an apocalyptic number.

It is an amenable number.

12114721 is a deficient number, since it is larger than the sum of its proper divisors (1311839).

12114721 is a wasteful number, since it uses less digits than its factorization.

12114721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 112, while the sum is 19.

The square root of 12114721 is about 3480.6207779648. The cubic root of 12114721 is about 229.6701067644.

Adding to 12114721 its reverse (12741121), we get a palindrome (24855842).

The spelling of 12114721 in words is "twelve million, one hundred fourteen thousand, seven hundred twenty-one".