12553003 has 4 divisors (see below), whose sum is σ = 12704328. Its totient is φ = 12401680.

The previous prime is 12553001. The next prime is 12553019. The reversal of 12553003 is 30035521.

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

It is a cyclic number.

It is not a de Polignac number, because 12553003 - 2¹ = 12553001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553001) 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, 75538 + ... + 75703.

It is an arithmetic number, because the mean of its divisors is an integer number (3176082).

Almost surely, 2^12553003 is an apocalyptic number.

12553003 is a deficient number, since it is larger than the sum of its proper divisors (151325).

12553003 is an equidigital number, since it uses as much as digits as its factorization.

12553003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151324.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 12553003 is about 3543.0217329280. The cubic root of 12553003 is about 232.4070033133.

Adding to 12553003 its reverse (30035521), we get a palindrome (42588524).

The spelling of 12553003 in words is "twelve million, five hundred fifty-three thousand, three".