12381334 has 32 divisors (see below), whose sum is σ = 22023936. Its totient is φ = 5110560.

The previous prime is 12381329. The next prime is 12381349. The reversal of 12381334 is 43318321.

It is a junction number, because it is equal to n+sod(n) for n = 12381299 and 12381308.

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, 78784 + ... + 78940.

It is an arithmetic number, because the mean of its divisors is an integer number (688248).

Almost surely, 2^12381334 is an apocalyptic number.

12381334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12381334 is a deficient number, since it is larger than the sum of its proper divisors (9642602).

12381334 is a wasteful number, since it uses less digits than its factorization.

12381334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 1728, while the sum is 25.

The square root of 12381334 is about 3518.7119802564. The cubic root of 12381334 is about 231.3427070221.

Adding to 12381334 its reverse (43318321), we get a palindrome (55699655).

The spelling of 12381334 in words is "twelve million, three hundred eighty-one thousand, three hundred thirty-four".