12448545 has 16 divisors (see below), whose sum is σ = 19982592. Its totient is φ = 6617600.

The previous prime is 12448523. The next prime is 12448547. The reversal of 12448545 is 54584421.

It is a happy number.

12448545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12448545 - 2⁷ = 12448417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12448547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4120 + ... + 6470.

It is an arithmetic number, because the mean of its divisors is an integer number (1248912).

Almost surely, 2^12448545 is an apocalyptic number.

12448545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12448545 is a deficient number, since it is larger than the sum of its proper divisors (7534047).

12448545 is a wasteful number, since it uses less digits than its factorization.

12448545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 25600, while the sum is 33.

The square root of 12448545 is about 3528.2495660029. The cubic root of 12448545 is about 231.7605597932.

The spelling of 12448545 in words is "twelve million, four hundred forty-eight thousand, five hundred forty-five".