12404980 has 24 divisors (see below), whose sum is σ = 29772288. Its totient is φ = 4253088.

The previous prime is 12404971. The next prime is 12404989. The reversal of 12404980 is 8940421.

It is an interprime number because it is at equal distance from previous prime (12404971) and next prime (12404989).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44164 + ... + 44443.

It is an arithmetic number, because the mean of its divisors is an integer number (1240512).

Almost surely, 2^12404980 is an apocalyptic number.

12404980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12404980 is an abundant number, since it is smaller than the sum of its proper divisors (17367308).

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

12404980 is a wasteful number, since it uses less digits than its factorization.

12404980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88623 (or 88621 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12404980 is about 3522.0704138333. The cubic root of 12404980 is about 231.4898869331.

The spelling of 12404980 in words is "twelve million, four hundred four thousand, nine hundred eighty".