12371001 has 4 divisors (see below), whose sum is σ = 16494672. Its totient is φ = 8247332.

The previous prime is 12370999. The next prime is 12371017. The reversal of 12371001 is 10017321.

12371001 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.

It is a cyclic number.

It is not a de Polignac number, because 12371001 - 2¹ = 12370999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12372001) 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, 2061831 + ... + 2061836.

It is an arithmetic number, because the mean of its divisors is an integer number (4123668).

Almost surely, 2^12371001 is an apocalyptic number.

12371001 is the 2225-th centered pentagonal number.

It is an amenable number.

12371001 is a deficient number, since it is larger than the sum of its proper divisors (4123671).

12371001 is an equidigital number, since it uses as much as digits as its factorization.

12371001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123670.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12371001 is about 3517.2433808311. The cubic root of 12371001 is about 231.2783324429.

Adding to 12371001 its reverse (10017321), we get a palindrome (22388322).

The spelling of 12371001 in words is "twelve million, three hundred seventy-one thousand, one".