12548540 has 24 divisors (see below), whose sum is σ = 26726112. Its totient is φ = 4948160.

The previous prime is 12548491. The next prime is 12548551. The reversal of 12548540 is 4584521.

It is a super-2 number, since 2×12548540² = 314931712263200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2999 + ... + 5838.

It is an arithmetic number, because the mean of its divisors is an integer number (1113588).

Almost surely, 2^12548540 is an apocalyptic number.

12548540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12548540 is an abundant number, since it is smaller than the sum of its proper divisors (14177572).

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

12548540 is a wasteful number, since it uses less digits than its factorization.

12548540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917 (or 8915 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 12548540 is about 3542.3918473258. The cubic root of 12548540 is about 232.3794573042.

The spelling of 12548540 in words is "twelve million, five hundred forty-eight thousand, five hundred forty".