12720141 has 12 divisors (see below), whose sum is σ = 20998432. Its totient is φ = 7268616.

The previous prime is 12720133. The next prime is 12720157. The reversal of 12720141 is 14102721.

It is not a de Polignac number, because 12720141 - 2³ = 12720133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12720161) 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, 100891 + ... + 101016.

Almost surely, 2^12720141 is an apocalyptic number.

It is an amenable number.

12720141 is a deficient number, since it is larger than the sum of its proper divisors (8278291).

12720141 is a wasteful number, since it uses less digits than its factorization.

12720141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201920 (or 201917 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12720141 is about 3566.5306671891. The cubic root of 12720141 is about 233.4339264680.

Adding to 12720141 its reverse (14102721), we get a palindrome (26822862).

The spelling of 12720141 in words is "twelve million, seven hundred twenty thousand, one hundred forty-one".