12147113 has 16 divisors (see below), whose sum is σ = 13814592. Its totient is φ = 10584000.

The previous prime is 12147101. The next prime is 12147131. The reversal of 12147113 is 31174121.

It is a happy number.

12147113 is digitally balanced in base 3, 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 12147113 - 2⁶ = 12147049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12147173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28643 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (863412).

Almost surely, 2^12147113 is an apocalyptic number.

It is an amenable number.

12147113 is a deficient number, since it is larger than the sum of its proper divisors (1667479).

12147113 is a wasteful number, since it uses less digits than its factorization.

12147113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 168, while the sum is 20.

The square root of 12147113 is about 3485.2708646531. The cubic root of 12147113 is about 229.8746197544.

The spelling of 12147113 in words is "twelve million, one hundred forty-seven thousand, one hundred thirteen".