12141738 has 96 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 3347568.

The previous prime is 12141733. The next prime is 12141761. The reversal of 12141738 is 83714121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12141733) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 146245 + ... + 146327.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

Almost surely, 2^12141738 is an apocalyptic number.

12141738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12141738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144128).

12141738 is an abundant number, since it is smaller than the sum of its proper divisors (20146518).

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

12141738 is an equidigital number, since it uses as much as digits as its factorization.

12141738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

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

The square root of 12141738 is about 3484.4996771416. The cubic root of 12141738 is about 229.8407088608.

Adding to 12141738 its reverse (83714121), we get a palindrome (95855859).

The spelling of 12141738 in words is "twelve million, one hundred forty-one thousand, seven hundred thirty-eight".