12540048 has 20 divisors (see below), whose sum is σ = 32395248. Its totient is φ = 4180000.

The previous prime is 12540043. The next prime is 12540049. The reversal of 12540048 is 84004521.

12540048 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12540041) 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, 130578 + ... + 130673.

Almost surely, 2^12540048 is an apocalyptic number.

It is an amenable number.

12540048 is an abundant number, since it is smaller than the sum of its proper divisors (19855200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12540048 is a wasteful number, since it uses less digits than its factorization.

12540048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261262 (or 261256 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12540048 is about 3541.1930193086. The cubic root of 12540048 is about 232.3270259280.

Adding to 12540048 its reverse (84004521), we get a palindrome (96544569).

The spelling of 12540048 in words is "twelve million, five hundred forty thousand, forty-eight".