12408560 has 40 divisors (see below), whose sum is σ = 29135040. Its totient is φ = 4914432.

The previous prime is 12408551. The next prime is 12408563. The reversal of 12408560 is 6580421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12408560² = 307944722547200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8009 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (728376).

Almost surely, 2^12408560 is an apocalyptic number.

12408560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12408560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14567520).

12408560 is an abundant number, since it is smaller than the sum of its proper divisors (16726480).

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

12408560 is a wasteful number, since it uses less digits than its factorization.

12408560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12408560 is about 3522.5786009683. The cubic root of 12408560 is about 231.5121536380.

Adding to 12408560 its reverse (6580421), we get a palindrome (18988981).

The spelling of 12408560 in words is "twelve million, four hundred eight thousand, five hundred sixty".