12201560 has 32 divisors (see below), whose sum is σ = 31376160. Its totient is φ = 4183296.

The previous prime is 12201557. The next prime is 12201583. The reversal of 12201560 is 6510221.

12201560 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12201560 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21509 + ... + 22068.

It is an arithmetic number, because the mean of its divisors is an integer number (980505).

Almost surely, 2^12201560 is an apocalyptic number.

12201560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201560 is an abundant number, since it is smaller than the sum of its proper divisors (19174600).

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

12201560 is a wasteful number, since it uses less digits than its factorization.

12201560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43595 (or 43591 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12201560 is about 3493.0731455267. The cubic root of 12201560 is about 230.2175635118.

Adding to 12201560 its reverse (6510221), we get a palindrome (18711781).

The spelling of 12201560 in words is "twelve million, two hundred one thousand, five hundred sixty".