10666312 has 8 divisors (see below), whose sum is σ = 19999350. Its totient is φ = 5333152.

The previous prime is 10666309. The next prime is 10666379. The reversal of 10666312 is 21366601.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 2452356 = 2866^2 + 1566^2 .

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

It is a super-2 number, since 2×10666312² = 227540423362688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666637 + ... + 666652.

Almost surely, 2^10666312 is an apocalyptic number.

It is an amenable number.

10666312 is a deficient number, since it is larger than the sum of its proper divisors (9333038).

10666312 is a wasteful number, since it uses less digits than its factorization.

10666312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333295 (or 1333291 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10666312 is about 3265.9320262369. The cubic root of 10666312 is about 220.1260434752.

The spelling of 10666312 in words is "ten million, six hundred sixty-six thousand, three hundred twelve".