12192240 has 80 divisors (see below), whose sum is σ = 38845728. Its totient is φ = 3161088.

The previous prime is 12192239. The next prime is 12192287. The reversal of 12192240 is 4229121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8194 + ... + 9566.

Almost surely, 2^12192240 is an apocalyptic number.

12192240 is a gapful number since it is divisible by the number (10) 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 12192240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19422864).

12192240 is an abundant number, since it is smaller than the sum of its proper divisors (26653488).

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

12192240 is a wasteful number, since it uses less digits than its factorization.

12192240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12192240 is about 3491.7388218479. The cubic root of 12192240 is about 230.1589323688.

The spelling of 12192240 in words is "twelve million, one hundred ninety-two thousand, two hundred forty".