12551303 has 4 divisors (see below), whose sum is σ = 12818400. Its totient is φ = 12284208.

The previous prime is 12551291. The next prime is 12551317. The reversal of 12551303 is 30315521.

12551303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30315521 = 643 ⋅47147.

It is a cyclic number.

It is not a de Polignac number, because 12551303 - 2⁶ = 12551239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551393) 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, 133478 + ... + 133571.

It is an arithmetic number, because the mean of its divisors is an integer number (3204600).

Almost surely, 2^12551303 is an apocalyptic number.

12551303 is a deficient number, since it is larger than the sum of its proper divisors (267097).

12551303 is an equidigital number, since it uses as much as digits as its factorization.

12551303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267096.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12551303 is about 3542.7818165955. The cubic root of 12551303 is about 232.3965115411.

Adding to 12551303 its reverse (30315521), we get a palindrome (42866824).

The spelling of 12551303 in words is "twelve million, five hundred fifty-one thousand, three hundred three".