12583428 has 48 divisors (see below), whose sum is σ = 34499136. Its totient is φ = 3519360.

The previous prime is 12583423. The next prime is 12583429. The reversal of 12583428 is 82438521.

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

It is not an unprimeable number, because it can be changed into a prime (12583423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (718732).

Almost surely, 2^12583428 is an apocalyptic number.

It is an amenable number.

12583428 is an abundant number, since it is smaller than the sum of its proper divisors (21915708).

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

12583428 is a wasteful number, since it uses less digits than its factorization.

12583428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364 (or 7362 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 12583428 is about 3547.3127857577. The cubic root of 12583428 is about 232.5946152086.

The spelling of 12583428 in words is "twelve million, five hundred eighty-three thousand, four hundred twenty-eight".