12053403 has 12 divisors (see below), whose sum is σ = 18167760. Its totient is φ = 7686096.

The previous prime is 12053401. The next prime is 12053407. The reversal of 12053403 is 30435021.

It is not a de Polignac number, because 12053403 - 2¹ = 12053401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12053401) 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 11 ways as a sum of consecutive naturals, for example, 28908 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (1513980).

Almost surely, 2^12053403 is an apocalyptic number.

12053403 is a deficient number, since it is larger than the sum of its proper divisors (6114357).

12053403 is a wasteful number, since it uses less digits than its factorization.

12053403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58258 (or 58255 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12053403 is about 3471.8011175757. The cubic root of 12053403 is about 229.2819635953.

Adding to 12053403 its reverse (30435021), we get a palindrome (42488424).

The spelling of 12053403 in words is "twelve million, fifty-three thousand, four hundred three".