12145382 has 8 divisors (see below), whose sum is σ = 18283752. Its totient is φ = 6050800.

The previous prime is 12145379. The next prime is 12145387. The reversal of 12145382 is 28354121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10244 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (2285469).

Almost surely, 2^12145382 is an apocalyptic number.

12145382 is a deficient number, since it is larger than the sum of its proper divisors (6138370).

12145382 is a wasteful number, since it uses less digits than its factorization.

12145382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21894.

The product of its digits is 1920, while the sum is 26.

The square root of 12145382 is about 3485.0225250348. The cubic root of 12145382 is about 229.8636999617.

The spelling of 12145382 in words is "twelve million, one hundred forty-five thousand, three hundred eighty-two".