12023780 has 12 divisors (see below), whose sum is σ = 25249980. Its totient is φ = 4809504.

The previous prime is 12023773. The next prime is 12023797. The reversal of 12023780 is 8732021.

It can be written as a sum of positive squares in 2 ways, for example, as 6340324 + 5683456 = 2518^2 + 2384^2 .

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, 300575 + ... + 300614.

It is an arithmetic number, because the mean of its divisors is an integer number (2104165).

Almost surely, 2^12023780 is an apocalyptic number.

12023780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023780 is an abundant number, since it is smaller than the sum of its proper divisors (13226200).

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

12023780 is a wasteful number, since it uses less digits than its factorization.

12023780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601198 (or 601196 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12023780 is about 3467.5322637288. The cubic root of 12023780 is about 229.0939781955.

The spelling of 12023780 in words is "twelve million, twenty-three thousand, seven hundred eighty".