12643035 has 8 divisors (see below), whose sum is σ = 20228880. Its totient is φ = 6742944.

The previous prime is 12643021. The next prime is 12643049. The reversal of 12643035 is 53034621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12643021) and next prime (12643049).

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

It is not a de Polignac number, because 12643035 - 2⁵ = 12643003 is a prime.

It is a super-2 number, since 2×12643035² = 319692668022450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12642996 and 12643014.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 421420 + ... + 421449.

It is an arithmetic number, because the mean of its divisors is an integer number (2528610).

Almost surely, 2^12643035 is an apocalyptic number.

12643035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12643035 is a deficient number, since it is larger than the sum of its proper divisors (7585845).

12643035 is an equidigital number, since it uses as much as digits as its factorization.

12643035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842877.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 12643035 is about 3555.7045715301. The cubic root of 12643035 is about 232.9612994231.

Adding to 12643035 its reverse (53034621), we get a palindrome (65677656).

The spelling of 12643035 in words is "twelve million, six hundred forty-three thousand, thirty-five".