12805101 has 8 divisors (see below), whose sum is σ = 18970560. Its totient is φ = 8536716.

The previous prime is 12805087. The next prime is 12805127. The reversal of 12805101 is 10150821.

It is not a de Polignac number, because 12805101 - 2¹³ = 12796909 is a prime.

It is a super-2 number, since 2×12805101² = 327941223240402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237105 + ... + 237158.

It is an arithmetic number, because the mean of its divisors is an integer number (2371320).

Almost surely, 2^12805101 is an apocalyptic number.

It is an amenable number.

12805101 is a deficient number, since it is larger than the sum of its proper divisors (6165459).

12805101 is an equidigital number, since it uses as much as digits as its factorization.

12805101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474272 (or 474266 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 12805101 is about 3578.4215794118. The cubic root of 12805101 is about 233.9524887103.

Adding to 12805101 its reverse (10150821), we get a palindrome (22955922).

The spelling of 12805101 in words is "twelve million, eight hundred five thousand, one hundred one".