12400372 has 12 divisors (see below), whose sum is σ = 22400896. Its totient is φ = 6000120.

The previous prime is 12400343. The next prime is 12400373. The reversal of 12400372 is 27300421.

12400372 is a modest number, since divided by 372 gives 124 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49878 + ... + 50125.

Almost surely, 2^12400372 is an apocalyptic number.

It is an amenable number.

12400372 is a deficient number, since it is larger than the sum of its proper divisors (10000524).

12400372 is a wasteful number, since it uses less digits than its factorization.

12400372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100038 (or 100036 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12400372 is about 3521.4161923862. The cubic root of 12400372 is about 231.4612200185.

Adding to 12400372 its reverse (27300421), we get a palindrome (39700793).

The spelling of 12400372 in words is "twelve million, four hundred thousand, three hundred seventy-two".