10909312 has 16 divisors (see below), whose sum is σ = 21733650. Its totient is φ = 5454592.

The previous prime is 10909309. The next prime is 10909357. The reversal of 10909312 is 21390901.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 2005056 = 2984^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a plaindrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42487 + ... + 42742.

Almost surely, 2^10909312 is an apocalyptic number.

It is an amenable number.

10909312 is a deficient number, since it is larger than the sum of its proper divisors (10824338).

10909312 is an frugal number, since it uses more digits than its factorization.

10909312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85243 (or 85231 counting only the distinct ones).

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

The square root of 10909312 is about 3302.9247645080. The cubic root of 10909312 is about 221.7851450477.

The spelling of 10909312 in words is "ten million, nine hundred nine thousand, three hundred twelve".