12072260 has 12 divisors (see below), whose sum is σ = 25351788. Its totient is φ = 4828896.

The previous prime is 12072257. The next prime is 12072271. The reversal of 12072260 is 6227021.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 3452164 = 2936^2 + 1858^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 603613 = 12072260 / (1 + 2 + 0 + 7 + 2 + 2 + 6 + 0).

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, 301787 + ... + 301826.

It is an arithmetic number, because the mean of its divisors is an integer number (2112649).

Almost surely, 2^12072260 is an apocalyptic number.

12072260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12072260 is an abundant number, since it is smaller than the sum of its proper divisors (13279528).

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

12072260 is a wasteful number, since it uses less digits than its factorization.

12072260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603622 (or 603620 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12072260 is about 3474.5157936035. The cubic root of 12072260 is about 229.4014683600.

Adding to 12072260 its reverse (6227021), we get a palindrome (18299281).

The spelling of 12072260 in words is "twelve million, seventy-two thousand, two hundred sixty".