12544470 has 80 divisors (see below), whose sum is σ = 35754048. Its totient is φ = 3144960.

The previous prime is 12544451. The next prime is 12544481. The reversal of 12544470 is 7444521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13315 + ... + 14225.

Almost surely, 2^12544470 is an apocalyptic number.

12544470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12544470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17877024).

12544470 is an abundant number, since it is smaller than the sum of its proper divisors (23209578).

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

12544470 is a wasteful number, since it uses less digits than its factorization.

12544470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 12544470 is about 3541.8173301287. The cubic root of 12544470 is about 232.3543312295.

Adding to 12544470 its reverse (7444521), we get a palindrome (19988991).

The spelling of 12544470 in words is "twelve million, five hundred forty-four thousand, four hundred seventy".