12946916 has 6 divisors (see below), whose sum is σ = 22657110. Its totient is φ = 6473456.

The previous prime is 12946909. The next prime is 12946931. The reversal of 12946916 is 61964921.

12946916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 556516 = 3520^2 + 746^2 .

It is a super-2 number, since 2×12946916² = 335245267822112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12946916.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618361 + ... + 1618368.

It is an arithmetic number, because the mean of its divisors is an integer number (3776185).

Almost surely, 2^12946916 is an apocalyptic number.

It is an amenable number.

12946916 is a deficient number, since it is larger than the sum of its proper divisors (9710194).

12946916 is a wasteful number, since it uses less digits than its factorization.

12946916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236733 (or 3236731 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 12946916 is about 3598.1823188938. The cubic root of 12946916 is about 234.8129853601.

The spelling of 12946916 in words is "twelve million, nine hundred forty-six thousand, nine hundred sixteen".