12274548 has 96 divisors (see below), whose sum is σ = 35223552. Its totient is φ = 3273600.

The previous prime is 12274547. The next prime is 12274553. The reversal of 12274548 is 84547221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39313 + ... + 39623.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^12274548 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 12274548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17611776).

12274548 is an abundant number, since it is smaller than the sum of its proper divisors (22949004).

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

12274548 is a wasteful number, since it uses less digits than its factorization.

12274548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 363 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12274548 is about 3503.5051020371. The cubic root of 12274548 is about 230.6756941607.

It can be divided in two parts, 1227 and 4548, that added together give a palindrome (5775).

The spelling of 12274548 in words is "twelve million, two hundred seventy-four thousand, five hundred forty-eight".