12748560 has 120 divisors (see below), whose sum is σ = 43538880. Its totient is φ = 3083520.

The previous prime is 12748553. The next prime is 12748579. The reversal of 12748560 is 6584721.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28821 + ... + 29259.

It is an arithmetic number, because the mean of its divisors is an integer number (362824).

Almost surely, 2^12748560 is an apocalyptic number.

12748560 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 12748560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21769440).

12748560 is an abundant number, since it is smaller than the sum of its proper divisors (30790320).

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

12748560 is a wasteful number, since it uses less digits than its factorization.

12748560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 12748560 is about 3570.5125682456. The cubic root of 12748560 is about 233.6076411149.

The spelling of 12748560 in words is "twelve million, seven hundred forty-eight thousand, five hundred sixty".