12350661 has 4 divisors (see below), whose sum is σ = 16467552. Its totient is φ = 8233772.

The previous prime is 12350659. The next prime is 12350671. The reversal of 12350661 is 16605321.

12350661 is nontrivially palindromic in base 14.

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 12350661 - 2¹ = 12350659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12350641) 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, 2058441 + ... + 2058446.

It is an arithmetic number, because the mean of its divisors is an integer number (4116888).

Almost surely, 2^12350661 is an apocalyptic number.

It is an amenable number.

12350661 is a deficient number, since it is larger than the sum of its proper divisors (4116891).

12350661 is an equidigital number, since it uses as much as digits as its factorization.

12350661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116890.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12350661 is about 3514.3507223952. The cubic root of 12350661 is about 231.1515094584.

Adding to 12350661 its reverse (16605321), we get a palindrome (28955982).

The spelling of 12350661 in words is "twelve million, three hundred fifty thousand, six hundred sixty-one".