12141378 has 24 divisors (see below), whose sum is σ = 27451008. Its totient is φ = 3871032.

The previous prime is 12141377. The next prime is 12141403. The reversal of 12141378 is 87314121.

It is not an unprimeable number, because it can be changed into a prime (12141373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14250 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (1143792).

Almost surely, 2^12141378 is an apocalyptic number.

12141378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12141378 is an abundant number, since it is smaller than the sum of its proper divisors (15309630).

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

12141378 is a wasteful number, since it uses less digits than its factorization.

12141378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29358 (or 29355 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12141378 is about 3484.4480194143. The cubic root of 12141378 is about 229.8384372620.

Adding to 12141378 its reverse (87314121), we get a palindrome (99455499).

The spelling of 12141378 in words is "twelve million, one hundred forty-one thousand, three hundred seventy-eight".