12791548 has 72 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 4677120.

The previous prime is 12791543. The next prime is 12791563. The reversal of 12791548 is 84519721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36478 + ... + 36826.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 2^12791548 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 12791548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082200).

12791548 is an abundant number, since it is smaller than the sum of its proper divisors (17372852).

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

12791548 is a wasteful number, since it uses less digits than its factorization.

12791548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 386 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 12791548 is about 3576.5273660354. The cubic root of 12791548 is about 233.8699206413.

The spelling of 12791548 in words is "twelve million, seven hundred ninety-one thousand, five hundred forty-eight".