12480123 has 4 divisors (see below), whose sum is σ = 16640168. Its totient is φ = 8320080.

The previous prime is 12480107. The next prime is 12480133. The reversal of 12480123 is 32108421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32108421 = 3 ⋅10702807.

It is not a de Polignac number, because 12480123 - 2⁴ = 12480107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12480123.

It is not an unprimeable number, because it can be changed into a prime (12480103) 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 3 ways as a sum of consecutive naturals, for example, 2080018 + ... + 2080023.

It is an arithmetic number, because the mean of its divisors is an integer number (4160042).

Almost surely, 2^12480123 is an apocalyptic number.

12480123 is a deficient number, since it is larger than the sum of its proper divisors (4160045).

12480123 is an equidigital number, since it uses as much as digits as its factorization.

12480123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160044.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12480123 is about 3532.7217552476. The cubic root of 12480123 is about 231.9563619371.

Adding to 12480123 its reverse (32108421), we get a palindrome (44588544).

The spelling of 12480123 in words is "twelve million, four hundred eighty thousand, one hundred twenty-three".