12885101 has 4 divisors (see below), whose sum is σ = 12892704. Its totient is φ = 12877500.

The previous prime is 12885071. The next prime is 12885107. The reversal of 12885101 is 10158821.

12885101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10158821 = 2207 ⋅4603.

It is a cyclic number.

It is not a de Polignac number, because 12885101 - 2¹⁰ = 12884077 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 (12885107) 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, 26 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (3223176).

Almost surely, 2^12885101 is an apocalyptic number.

It is an amenable number.

12885101 is a deficient number, since it is larger than the sum of its proper divisors (7603).

12885101 is an equidigital number, since it uses as much as digits as its factorization.

12885101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 12885101 is about 3589.5822876764. The cubic root of 12885101 is about 234.4386844659.

The spelling of 12885101 in words is "twelve million, eight hundred eighty-five thousand, one hundred one".