12546444 has 48 divisors (see below), whose sum is σ = 31288320. Its totient is φ = 3904320.

The previous prime is 12546433. The next prime is 12546461. The reversal of 12546444 is 44464521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10207 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (651840).

Almost surely, 2^12546444 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 12546444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15644160).

12546444 is an abundant number, since it is smaller than the sum of its proper divisors (18741876).

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

12546444 is a wasteful number, since it uses less digits than its factorization.

12546444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1228 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 12546444 is about 3542.0959896649. The cubic root of 12546444 is about 232.3665183630.

The spelling of 12546444 in words is "twelve million, five hundred forty-six thousand, four hundred forty-four".