12621035 has 16 divisors (see below), whose sum is σ = 18220800. Its totient is φ = 8198496.

The previous prime is 12621017. The next prime is 12621041. The reversal of 12621035 is 53012621.

It is a cyclic number.

It is not a de Polignac number, because 12621035 - 2¹⁰ = 12620011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12620998 and 12621016.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8825 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (1138800).

Almost surely, 2^12621035 is an apocalyptic number.

12621035 is a deficient number, since it is larger than the sum of its proper divisors (5599765).

12621035 is a wasteful number, since it uses less digits than its factorization.

12621035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12621035 is about 3552.6096042205. The cubic root of 12621035 is about 232.8260965439.

Adding to 12621035 its reverse (53012621), we get a palindrome (65633656).

The spelling of 12621035 in words is "twelve million, six hundred twenty-one thousand, thirty-five".