12401232 has 80 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 3853696.

The previous prime is 12401189. The next prime is 12401251. The reversal of 12401232 is 23210421.

12401232 is digitally balanced in base 2 and base 4, because in such bases 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 15 ways as a sum of consecutive naturals, for example, 51769 + ... + 52007.

It is an arithmetic number, because the mean of its divisors is an integer number (428544).

Almost surely, 2^12401232 is an apocalyptic number.

12401232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141760).

12401232 is an abundant number, since it is smaller than the sum of its proper divisors (21882288).

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

12401232 is a wasteful number, since it uses less digits than its factorization.

12401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12401232 is about 3521.5383002319. The cubic root of 12401232 is about 231.4665707195.

Adding to 12401232 its reverse (23210421), we get a palindrome (35611653).

The spelling of 12401232 in words is "twelve million, four hundred one thousand, two hundred thirty-two".