12114521 has 4 divisors (see below), whose sum is σ = 12505344. Its totient is φ = 11723700.

The previous prime is 12114497. The next prime is 12114559. The reversal of 12114521 is 12541121.

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 a cyclic number.

It is not a de Polignac number, because 12114521 - 2²² = 7920217 is a prime.

It is a super-3 number, since 3×12114521³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12114521.

It is not an unprimeable number, because it can be changed into a prime (12114821) 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 3 ways as a sum of consecutive naturals, for example, 195365 + ... + 195426.

It is an arithmetic number, because the mean of its divisors is an integer number (3126336).

Almost surely, 2^12114521 is an apocalyptic number.

It is an amenable number.

12114521 is a deficient number, since it is larger than the sum of its proper divisors (390823).

12114521 is an equidigital number, since it uses as much as digits as its factorization.

12114521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390822.

The product of its digits is 80, while the sum is 17.

The square root of 12114521 is about 3480.5920473391. The cubic root of 12114521 is about 229.6688428951.

Adding to 12114521 its reverse (12541121), we get a palindrome (24655642).

The spelling of 12114521 in words is "twelve million, one hundred fourteen thousand, five hundred twenty-one".