12603428336 has 20 divisors (see below), whose sum is σ = 24444014352. Its totient is φ = 6295295616.

The previous prime is 12603428317. The next prime is 12603428401. The reversal of 12603428336 is 63382430621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12603428336.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384941 + ... + 416396.

Almost surely, 2^12603428336 is an apocalyptic number.

12603428336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12603428336 is a deficient number, since it is larger than the sum of its proper divisors (11840586016).

12603428336 is an equidigital number, since it uses as much as digits as its factorization.

12603428336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802328 (or 802322 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 12603428336 its reverse (63382430621), we get a palindrome (75985858957).

The spelling of 12603428336 in words is "twelve billion, six hundred three million, four hundred twenty-eight thousand, three hundred thirty-six".