12642335 has 8 divisors (see below), whose sum is σ = 15192576. Its totient is φ = 10099360.

The previous prime is 12642319. The next prime is 12642337. The reversal of 12642335 is 53324621.

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

It is not a de Polignac number, because 12642335 - 2⁴ = 12642319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3362 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1899072).

Almost surely, 2^12642335 is an apocalyptic number.

12642335 is a deficient number, since it is larger than the sum of its proper divisors (2550241).

12642335 is an equidigital number, since it uses as much as digits as its factorization.

12642335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its digits is 4320, while the sum is 26.

The square root of 12642335 is about 3555.6061367930. The cubic root of 12642335 is about 232.9569999302.

Adding to 12642335 its reverse (53324621), we get a palindrome (65966956).

The spelling of 12642335 in words is "twelve million, six hundred forty-two thousand, three hundred thirty-five".