10990312 has 8 divisors (see below), whose sum is σ = 20606850. Its totient is φ = 5495152.

The previous prime is 10990289. The next prime is 10990319. The reversal of 10990312 is 21309901.

It can be written as a sum of positive squares in only one way, i.e., 10850436 + 139876 = 3294^2 + 374^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10990319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686887 + ... + 686902.

Almost surely, 2^10990312 is an apocalyptic number.

It is an amenable number.

10990312 is a deficient number, since it is larger than the sum of its proper divisors (9616538).

10990312 is a wasteful number, since it uses less digits than its factorization.

10990312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373795 (or 1373791 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 10990312 is about 3315.1639476804. The cubic root of 10990312 is about 222.3326992158.

The spelling of 10990312 in words is "ten million, nine hundred ninety thousand, three hundred twelve".