12340651 has 8 divisors (see below), whose sum is σ = 12547440. Its totient is φ = 12135552.

The previous prime is 12340639. The next prime is 12340661. The reversal of 12340651 is 15604321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12340651 - 2¹³ = 12332459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27636 + ... + 28078.

It is an arithmetic number, because the mean of its divisors is an integer number (1568430).

Almost surely, 2^12340651 is an apocalyptic number.

12340651 is a deficient number, since it is larger than the sum of its proper divisors (206789).

12340651 is an equidigital number, since it uses as much as digits as its factorization.

12340651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12340651 is about 3512.9262730664. The cubic root of 12340651 is about 231.0890444617.

Adding to 12340651 its reverse (15604321), we get a palindrome (27944972).

The spelling of 12340651 in words is "twelve million, three hundred forty thousand, six hundred fifty-one".