12645053 has 8 divisors (see below), whose sum is σ = 12988800. Its totient is φ = 12303648.

The previous prime is 12645047. The next prime is 12645077. The reversal of 12645053 is 35054621.

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

It is a cyclic number.

It is not a de Polignac number, because 12645053 - 2¹⁴ = 12628669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645043) 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 7 ways as a sum of consecutive naturals, for example, 17228 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (1623600).

Almost surely, 2^12645053 is an apocalyptic number.

It is an amenable number.

12645053 is a deficient number, since it is larger than the sum of its proper divisors (343747).

12645053 is an equidigital number, since it uses as much as digits as its factorization.

12645053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

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

The square root of 12645053 is about 3555.9883295647. The cubic root of 12645053 is about 232.9736933589.

Adding to 12645053 its reverse (35054621), we get a palindrome (47699674).

The spelling of 12645053 in words is "twelve million, six hundred forty-five thousand, fifty-three".