12146432 has 36 divisors (see below), whose sum is σ = 25680816. Its totient is φ = 5713920.

The previous prime is 12146417. The next prime is 12146441. The reversal of 12146432 is 23464121.

It is a junction number, because it is equal to n+sod(n) for n = 12146398 and 12146407.

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, 2957 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (713356).

Almost surely, 2^12146432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12146432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12840408).

12146432 is an abundant number, since it is smaller than the sum of its proper divisors (13534384).

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

12146432 is an equidigital number, since it uses as much as digits as its factorization.

12146432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2810 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 12146432 is about 3485.1731664295. The cubic root of 12146432 is about 229.8703238766.

The spelling of 12146432 in words is "twelve million, one hundred forty-six thousand, four hundred thirty-two".