12114561 has 4 divisors (see below), whose sum is σ = 16152752. Its totient is φ = 8076372.

The previous prime is 12114559. The next prime is 12114563. The reversal of 12114561 is 16541121.

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 an interprime number because it is at equal distance from previous prime (12114559) and next prime (12114563).

It is not a de Polignac number, because 12114561 - 2¹ = 12114559 is a prime.

It is a super-3 number, since 3×12114561³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12114563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019091 + ... + 2019096.

It is an arithmetic number, because the mean of its divisors is an integer number (4038188).

Almost surely, 2^12114561 is an apocalyptic number.

It is an amenable number.

12114561 is a deficient number, since it is larger than the sum of its proper divisors (4038191).

12114561 is an equidigital number, since it uses as much as digits as its factorization.

12114561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038190.

The product of its digits is 240, while the sum is 21.

The square root of 12114561 is about 3480.5977934832. The cubic root of 12114561 is about 229.6690956701.

Adding to 12114561 its reverse (16541121), we get a palindrome (28655682).

The spelling of 12114561 in words is "twelve million, one hundred fourteen thousand, five hundred sixty-one".