12180408 has 32 divisors (see below), whose sum is σ = 30566160. Its totient is φ = 4044800.

The previous prime is 12180401. The next prime is 12180461. The reversal of 12180408 is 80408121.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180401) 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, 6808 + ... + 8408.

Almost surely, 2^12180408 is an apocalyptic number.

It is an amenable number.

12180408 is an abundant number, since it is smaller than the sum of its proper divisors (18385752).

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

12180408 is a wasteful number, since it uses less digits than its factorization.

12180408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12180408 is about 3490.0441257955. The cubic root of 12180408 is about 230.0844554368.

Adding to 12180408 its reverse (80408121), we get a palindrome (92588529).

The spelling of 12180408 in words is "twelve million, one hundred eighty thousand, four hundred eight".