12723560 has 32 divisors (see below), whose sum is σ = 29405160. Its totient is φ = 4951296.

The previous prime is 12723539. The next prime is 12723569. The reversal of 12723560 is 6532721.

It can be written as a sum of positive squares in 4 ways, for example, as 12517444 + 206116 = 3538^2 + 454^2 .

It is not an unprimeable number, because it can be changed into a prime (12723569) 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, 2819 + ... + 5778.

Almost surely, 2^12723560 is an apocalyptic number.

12723560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12723560 is an abundant number, since it is smaller than the sum of its proper divisors (16681600).

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

12723560 is a wasteful number, since it uses less digits than its factorization.

12723560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 12723560 is about 3567.0099523270. The cubic root of 12723560 is about 233.4548392104.

The spelling of 12723560 in words is "twelve million, seven hundred twenty-three thousand, five hundred sixty".