12388404 has 24 divisors (see below), whose sum is σ = 33035968. Its totient is φ = 3539520.

The previous prime is 12388403. The next prime is 12388417. The reversal of 12388404 is 40488321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12388403) 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, 73657 + ... + 73824.

Almost surely, 2^12388404 is an apocalyptic number.

12388404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12388404 is an abundant number, since it is smaller than the sum of its proper divisors (20647564).

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

12388404 is a wasteful number, since it uses less digits than its factorization.

12388404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147495 (or 147493 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 12388404 is about 3519.7164658535. The cubic root of 12388404 is about 231.3867324806.

The spelling of 12388404 in words is "twelve million, three hundred eighty-eight thousand, four hundred four".