12531360 has 48 divisors (see below), whose sum is σ = 39475296. Its totient is φ = 3341568.

The previous prime is 12531359. The next prime is 12531383. The reversal of 12531360 is 6313521.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12574 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (822402).

Almost surely, 2^12531360 is an apocalyptic number.

12531360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12531360 is an abundant number, since it is smaller than the sum of its proper divisors (26943936).

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

12531360 is a wasteful number, since it uses less digits than its factorization.

12531360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26125 (or 26117 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12531360 is about 3539.9661015326. The cubic root of 12531360 is about 232.2733599047.

Adding to 12531360 its reverse (6313521), we get a palindrome (18844881).

The spelling of 12531360 in words is "twelve million, five hundred thirty-one thousand, three hundred sixty".