12946635 has 40 divisors (see below), whose sum is σ = 25003440. Its totient is φ = 6371136.

The previous prime is 12946621. The next prime is 12946649. The reversal of 12946635 is 53664921.

It is a happy number.

12946635 is a `hidden beast` number, since 12 + 9 + 4 + 6 + 635 = 666.

12946635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12946621) and next prime (12946649).

It is not a de Polignac number, because 12946635 - 2⁵ = 12946603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12946635.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4036 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (625086).

Almost surely, 2^12946635 is an apocalyptic number.

12946635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12946635 is a deficient number, since it is larger than the sum of its proper divisors (12056805).

12946635 is a wasteful number, since it uses less digits than its factorization.

12946635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2480 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 12946635 is about 3598.1432711886. The cubic root of 12946635 is about 234.8112865533.

It can be divided in two parts, 129 and 46635, that added together give a palindrome (46764).

The spelling of 12946635 in words is "twelve million, nine hundred forty-six thousand, six hundred thirty-five".