12611141 has 4 divisors (see below), whose sum is σ = 13017984. Its totient is φ = 12204300.

The previous prime is 12611111. The next prime is 12611167. The reversal of 12611141 is 14111621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12611141 - 2¹⁸ = 12348997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203375 + ... + 203436.

It is an arithmetic number, because the mean of its divisors is an integer number (3254496).

Almost surely, 2^12611141 is an apocalyptic number.

It is an amenable number.

12611141 is a deficient number, since it is larger than the sum of its proper divisors (406843).

12611141 is an equidigital number, since it uses as much as digits as its factorization.

12611141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406842.

The product of its digits is 48, while the sum is 17.

The square root of 12611141 is about 3551.2168337064. The cubic root of 12611141 is about 232.7652409006.

Adding to 12611141 its reverse (14111621), we get a palindrome (26722762).

The spelling of 12611141 in words is "twelve million, six hundred eleven thousand, one hundred forty-one".