12054617 has 4 divisors (see below), whose sum is σ = 12131556. Its totient is φ = 11977680.

The previous prime is 12054613. The next prime is 12054631. The reversal of 12054617 is 71645021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 4096576 = 2821^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 12054617 - 2² = 12054613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12054613) 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, 38234 + ... + 38547.

It is an arithmetic number, because the mean of its divisors is an integer number (3032889).

Almost surely, 2^12054617 is an apocalyptic number.

It is an amenable number.

12054617 is a deficient number, since it is larger than the sum of its proper divisors (76939).

12054617 is an equidigital number, since it uses as much as digits as its factorization.

12054617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76938.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12054617 is about 3471.9759503775. The cubic root of 12054617 is about 229.2896609778.

Adding to 12054617 its reverse (71645021), we get a palindrome (83699638).

The spelling of 12054617 in words is "twelve million, fifty-four thousand, six hundred seventeen".