12370661 has 4 divisors (see below), whose sum is σ = 12384672. Its totient is φ = 12356652.

The previous prime is 12370651. The next prime is 12370667. The reversal of 12370661 is 16607321.

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 12370661 - 2⁶ = 12370597 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12370661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12370667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (3096168).

Almost surely, 2^12370661 is an apocalyptic number.

It is an amenable number.

12370661 is a deficient number, since it is larger than the sum of its proper divisors (14011).

12370661 is an equidigital number, since it uses as much as digits as its factorization.

12370661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14010.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12370661 is about 3517.1950471931. The cubic root of 12370661 is about 231.2762136342.

Adding to 12370661 its reverse (16607321), we get a palindrome (28977982).

It can be divided in two parts, 12370 and 661, that added together give a palindrome (13031).

The spelling of 12370661 in words is "twelve million, three hundred seventy thousand, six hundred sixty-one".