12253503 has 16 divisors (see below), whose sum is σ = 17139456. Its totient is φ = 7772160.

The previous prime is 12253487. The next prime is 12253513. The reversal of 12253503 is 30535221.

It is not a de Polignac number, because 12253503 - 2⁴ = 12253487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12253503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253513) 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 15 ways as a sum of consecutive naturals, for example, 17388 + ... + 18078.

It is an arithmetic number, because the mean of its divisors is an integer number (1071216).

Almost surely, 2^12253503 is an apocalyptic number.

12253503 is a deficient number, since it is larger than the sum of its proper divisors (4885953).

12253503 is a wasteful number, since it uses less digits than its factorization.

12253503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 12253503 is about 3500.5003928010. The cubic root of 12253503 is about 230.5437857854.

Adding to 12253503 its reverse (30535221), we get a palindrome (42788724).

The spelling of 12253503 in words is "twelve million, two hundred fifty-three thousand, five hundred three".