12548550 has 192 divisors, whose sum is σ = 40711680. Its totient is φ = 2488320.

The previous prime is 12548491. The next prime is 12548551. The reversal of 12548550 is 5584521.

It is a super-2 number, since 2×12548550² = 314932214205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12548551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 339132 + ... + 339168.

It is an arithmetic number, because the mean of its divisors is an integer number (212040).

Almost surely, 2^12548550 is an apocalyptic number.

12548550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12548550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20355840).

12548550 is an abundant number, since it is smaller than the sum of its proper divisors (28163130).

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

12548550 is a wasteful number, since it uses less digits than its factorization.

12548550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 12548550 is about 3542.3932588012. The cubic root of 12548550 is about 232.3795190323.

The spelling of 12548550 in words is "twelve million, five hundred forty-eight thousand, five hundred fifty".