12443292 has 18 divisors (see below), whose sum is σ = 31453968. Its totient is φ = 4147752.

The previous prime is 12443281. The next prime is 12443293. The reversal of 12443292 is 29234421.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172788 + ... + 172859.

Almost surely, 2^12443292 is an apocalyptic number.

12443292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12443292 is an abundant number, since it is smaller than the sum of its proper divisors (19010676).

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

12443292 is a wasteful number, since it uses less digits than its factorization.

12443292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345657 (or 345652 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12443292 is about 3527.5050673245. The cubic root of 12443292 is about 231.7279559961.

The spelling of 12443292 in words is "twelve million, four hundred forty-three thousand, two hundred ninety-two".