12443101 has 4 divisors (see below), whose sum is σ = 13574304. Its totient is φ = 11311900.

The previous prime is 12443089. The next prime is 12443107. The reversal of 12443101 is 10134421.

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 12443101 - 2⁷ = 12442973 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443107) 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, 565585 + ... + 565606.

It is an arithmetic number, because the mean of its divisors is an integer number (3393576).

Almost surely, 2^12443101 is an apocalyptic number.

12443101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12443101 is a deficient number, since it is larger than the sum of its proper divisors (1131203).

12443101 is a wasteful number, since it uses less digits than its factorization.

12443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131202.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12443101 is about 3527.4779942616. The cubic root of 12443101 is about 231.7267703435.

Adding to 12443101 its reverse (10134421), we get a palindrome (22577522).

It can be divided in two parts, 12443 and 101, that added together give a square (12544 = 112²).

The spelling of 12443101 in words is "twelve million, four hundred forty-three thousand, one hundred one".