12812548 has 48 divisors (see below), whose sum is σ = 27417600. Its totient is φ = 5120640.

The previous prime is 12812539. The next prime is 12812549. The reversal of 12812548 is 84521821.

It is a super-2 number, since 2×12812548² = 328322772504608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12812549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24918 + ... + 25426.

It is an arithmetic number, because the mean of its divisors is an integer number (571200).

Almost surely, 2^12812548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12812548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13708800).

12812548 is an abundant number, since it is smaller than the sum of its proper divisors (14605052).

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

12812548 is a wasteful number, since it uses less digits than its factorization.

12812548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 12812548 is about 3579.4619707436. The cubic root of 12812548 is about 233.9978327897.

The spelling of 12812548 in words is "twelve million, eight hundred twelve thousand, five hundred forty-eight".