12953816 has 8 divisors (see below), whose sum is σ = 24288420. Its totient is φ = 6476904.

The previous prime is 12953789. The next prime is 12953821. The reversal of 12953816 is 61835921.

12953816 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 809606 + ... + 809621.

Almost surely, 2^12953816 is an apocalyptic number.

It is an amenable number.

12953816 is a deficient number, since it is larger than the sum of its proper divisors (11334604).

12953816 is a wasteful number, since it uses less digits than its factorization.

12953816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619233 (or 1619229 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 12953816 is about 3599.1410086297. The cubic root of 12953816 is about 234.8546921227.

The spelling of 12953816 in words is "twelve million, nine hundred fifty-three thousand, eight hundred sixteen".