12320053 has 8 divisors (see below), whose sum is σ = 13088088. Its totient is φ = 11556864.

The previous prime is 12320047. The next prime is 12320057. The reversal of 12320053 is 35002321.

It can be written as a sum of positive squares in 4 ways, for example, as 2845969 + 9474084 = 1687^2 + 3078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320053 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4975 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (1636011).

Almost surely, 2^12320053 is an apocalyptic number.

It is an amenable number.

12320053 is a deficient number, since it is larger than the sum of its proper divisors (768035).

12320053 is a wasteful number, since it uses less digits than its factorization.

12320053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12320053 is about 3509.9933048369. The cubic root of 12320053 is about 230.9604012506.

Adding to 12320053 its reverse (35002321), we get a palindrome (47322374).

The spelling of 12320053 in words is "twelve million, three hundred twenty thousand, fifty-three".