12471101 has 4 divisors (see below), whose sum is σ = 12642012. Its totient is φ = 12300192.

The previous prime is 12471091. The next prime is 12471103. The reversal of 12471101 is 10117421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10117421 = 241 ⋅41981.

It can be written as a sum of positive squares in 2 ways, for example, as 7431076 + 5040025 = 2726^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 12471101 - 2¹⁸ = 12208957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12471101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471103) 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, 85346 + ... + 85491.

It is an arithmetic number, because the mean of its divisors is an integer number (3160503).

Almost surely, 2^12471101 is an apocalyptic number.

It is an amenable number.

12471101 is a deficient number, since it is larger than the sum of its proper divisors (170911).

12471101 is an equidigital number, since it uses as much as digits as its factorization.

12471101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170910.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 12471101 is about 3531.4446052572. Note that the first 3 decimals coincide. The cubic root of 12471101 is about 231.9004539737.

Adding to 12471101 its reverse (10117421), we get a palindrome (22588522).

The spelling of 12471101 in words is "twelve million, four hundred seventy-one thousand, one hundred one".