12480553 has 4 divisors (see below), whose sum is σ = 12488080. Its totient is φ = 12473028.

The previous prime is 12480551. The next prime is 12480571. The reversal of 12480553 is 35508421.

12480553 is digitally balanced in base 2 and base 3, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12480553 - 2¹ = 12480551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12480551) 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, 63 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (3122020).

Almost surely, 2^12480553 is an apocalyptic number.

It is an amenable number.

12480553 is a deficient number, since it is larger than the sum of its proper divisors (7527).

12480553 is an equidigital number, since it uses as much as digits as its factorization.

12480553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12480553 is about 3532.7826143141. The cubic root of 12480553 is about 231.9590259090.

Adding to 12480553 its reverse (35508421), we get a palindrome (47988974).

The spelling of 12480553 in words is "twelve million, four hundred eighty thousand, five hundred fifty-three".