12141146 has 4 divisors (see below), whose sum is σ = 18211722. Its totient is φ = 6070572.

The previous prime is 12141139. The next prime is 12141149. The reversal of 12141146 is 64114121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64114121 = 2351 ⋅27271.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 3667225 = 2911^2 + 1915^2 .

It is not an unprimeable number, because it can be changed into a prime (12141149) 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 as a sum of consecutive naturals, namely, 3035285 + ... + 3035288.

Almost surely, 2^12141146 is an apocalyptic number.

12141146 is a deficient number, since it is larger than the sum of its proper divisors (6070576).

12141146 is an equidigital number, since it uses as much as digits as its factorization.

12141146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070575.

The product of its digits is 192, while the sum is 20.

The square root of 12141146 is about 3484.4147284731. The cubic root of 12141146 is about 229.8369733190.

Adding to 12141146 its reverse (64114121), we get a palindrome (76255267).

The spelling of 12141146 in words is "twelve million, one hundred forty-one thousand, one hundred forty-six".