12304920 has 96 divisors (see below), whose sum is σ = 38457360. Its totient is φ = 3148800.

The previous prime is 12304907. The next prime is 12304921. The reversal of 12304920 is 2940321.

It is a super-2 number, since 2×12304920² = 302822112412800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201690 + ... + 201750.

Almost surely, 2^12304920 is an apocalyptic number.

12304920 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 12304920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19228680).

12304920 is an abundant number, since it is smaller than the sum of its proper divisors (26152440).

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

12304920 is a wasteful number, since it uses less digits than its factorization.

12304920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12304920 is about 3507.8369403380. The cubic root of 12304920 is about 230.8657978757.

It can be divided in two parts, 1230 and 4920, that multiplied together give a square (6051600 = 2460²).

The spelling of 12304920 in words is "twelve million, three hundred four thousand, nine hundred twenty".