12956946 has 16 divisors (see below), whose sum is σ = 26750208. Its totient is φ = 4179600.

The previous prime is 12956927. The next prime is 12956947. The reversal of 12956946 is 64965921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12956898 and 12956907.

It is not an unprimeable number, because it can be changed into a prime (12956947) 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, 34645 + ... + 35016.

It is an arithmetic number, because the mean of its divisors is an integer number (1671888).

Almost surely, 2^12956946 is an apocalyptic number.

12956946 is an abundant number, since it is smaller than the sum of its proper divisors (13793262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12956946 is a wasteful number, since it uses less digits than its factorization.

12956946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69697.

The product of its digits is 116640, while the sum is 42.

The square root of 12956946 is about 3599.5758083419. The cubic root of 12956946 is about 234.8736063945.

It can be divided in two parts, 129 and 56946, that added together give a palindrome (57075).

The spelling of 12956946 in words is "twelve million, nine hundred fifty-six thousand, nine hundred forty-six".