12327770 has 128 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 3421440.

The previous prime is 12327769. The next prime is 12327781. The reversal of 12327770 is 7772321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397655 + ... + 397685.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^12327770 is an apocalyptic number.

12327770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12327770 is an abundant number, since it is smaller than the sum of its proper divisors (18637990).

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

12327770 is a wasteful number, since it uses less digits than its factorization.

12327770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 12327770 is about 3511.0924225944. The cubic root of 12327770 is about 231.0086139601.

The spelling of 12327770 in words is "twelve million, three hundred twenty-seven thousand, seven hundred seventy".