12401472 has 28 divisors (see below), whose sum is σ = 32812736. Its totient is φ = 4133760.

The previous prime is 12401447. The next prime is 12401489. The reversal of 12401472 is 27410421.

It is a happy number.

12401472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32104 + ... + 32487.

Almost surely, 2^12401472 is an apocalyptic number.

12401472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12401472 is an abundant number, since it is smaller than the sum of its proper divisors (20411264).

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

12401472 is an equidigital number, since it uses as much as digits as its factorization.

12401472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64606 (or 64596 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 12401472 is about 3521.5723760843. The cubic root of 12401472 is about 231.4680638942.

Adding to 12401472 its reverse (27410421), we get a palindrome (39811893).

The spelling of 12401472 in words is "twelve million, four hundred one thousand, four hundred seventy-two".