12110780 has 24 divisors (see below), whose sum is σ = 27745200. Its totient is φ = 4403840.

The previous prime is 12110723. The next prime is 12110789. The reversal of 12110780 is 8701121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110789) 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, 27305 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (1156050).

Almost surely, 2^12110780 is an apocalyptic number.

12110780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110780 is an abundant number, since it is smaller than the sum of its proper divisors (15634420).

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

12110780 is a wasteful number, since it uses less digits than its factorization.

12110780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55069 (or 55067 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12110780 is about 3480.0545972729. The cubic root of 12110780 is about 229.6451996547.

It can be divided in two parts, 121 and 10780, that added together give a palindrome (10901).

The spelling of 12110780 in words is "twelve million, one hundred ten thousand, seven hundred eighty".