10691328 has 36 divisors (see below), whose sum is σ = 28456568. Its totient is φ = 3563520.

The previous prime is 10691327. The next prime is 10691353. The reversal of 10691328 is 82319601.

It is a super-2 number, since 2×10691328² = 228608988807168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10691295 and 10691304.

It is not an unprimeable number, because it can be changed into a prime (10691321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6193 + ... + 7728.

Almost surely, 2^10691328 is an apocalyptic number.

It is an amenable number.

10691328 is an abundant number, since it is smaller than the sum of its proper divisors (17765240).

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

10691328 is an equidigital number, since it uses as much as digits as its factorization.

10691328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940 (or 13926 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10691328 is about 3269.7596241926. The cubic root of 10691328 is about 220.2979983715.

The spelling of 10691328 in words is "ten million, six hundred ninety-one thousand, three hundred twenty-eight".