12953321 has 4 divisors (see below), whose sum is σ = 12969600. Its totient is φ = 12937044.

The previous prime is 12953299. The next prime is 12953323. The reversal of 12953321 is 12335921.

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 12953321 - 2¹⁰ = 12952297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12953323) 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, 6881 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (3242400).

Almost surely, 2^12953321 is an apocalyptic number.

It is an amenable number.

12953321 is a deficient number, since it is larger than the sum of its proper divisors (16279).

12953321 is an equidigital number, since it uses as much as digits as its factorization.

12953321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278.

The product of its digits is 1620, while the sum is 26.

The square root of 12953321 is about 3599.0722415645. The cubic root of 12953321 is about 234.8517006090.

The spelling of 12953321 in words is "twelve million, nine hundred fifty-three thousand, three hundred twenty-one".