12053645 has 4 divisors (see below), whose sum is σ = 14464380. Its totient is φ = 9642912.

The previous prime is 12053627. The next prime is 12053669. The reversal of 12053645 is 54635021.

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 9357481 + 2696164 = 3059^2 + 1642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12053645 is a prime.

It is a super-3 number, since 3×12053645³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205360 + ... + 1205369.

It is an arithmetic number, because the mean of its divisors is an integer number (3616095).

Almost surely, 2^12053645 is an apocalyptic number.

It is an amenable number.

12053645 is a deficient number, since it is larger than the sum of its proper divisors (2410735).

12053645 is an equidigital number, since it uses as much as digits as its factorization.

12053645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410734.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12053645 is about 3471.8359696276. The cubic root of 12053645 is about 229.2834980406.

Adding to 12053645 its reverse (54635021), we get a palindrome (66688666).

The spelling of 12053645 in words is "twelve million, fifty-three thousand, six hundred forty-five".