12162560 has 40 divisors (see below), whose sum is σ = 29167776. Its totient is φ = 4864000.

The previous prime is 12162559. The next prime is 12162587. The reversal of 12162560 is 6526121.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185 + ... + 4935.

Almost surely, 2^12162560 is an apocalyptic number.

12162560 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 12162560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14583888).

12162560 is an abundant number, since it is smaller than the sum of its proper divisors (17005216).

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

12162560 is an frugal number, since it uses more digits than its factorization.

12162560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12162560 is about 3487.4862006895. The cubic root of 12162560 is about 229.9720192804.

Adding to 12162560 its reverse (6526121), we get a palindrome (18688681).

The spelling of 12162560 in words is "twelve million, one hundred sixty-two thousand, five hundred sixty".