12141405 has 24 divisors (see below), whose sum is σ = 21364512. Its totient is φ = 6377184.

The previous prime is 12141403. The next prime is 12141407. The reversal of 12141405 is 50414121.

It is an interprime number because it is at equal distance from previous prime (12141403) and next prime (12141407).

It is not a de Polignac number, because 12141405 - 2¹ = 12141403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141403) 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 23 ways as a sum of consecutive naturals, for example, 1002 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (890188).

Almost surely, 2^12141405 is an apocalyptic number.

12141405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12141405 is a deficient number, since it is larger than the sum of its proper divisors (9223107).

12141405 is a wasteful number, since it uses less digits than its factorization.

12141405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105 (or 4102 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12141405 is about 3484.4518937704. The cubic root of 12141405 is about 229.8386076335.

Adding to 12141405 its reverse (50414121), we get a palindrome (62555526).

The spelling of 12141405 in words is "twelve million, one hundred forty-one thousand, four hundred five".