11406665 has 8 divisors (see below), whose sum is σ = 13979520. Its totient is φ = 8930992.

The previous prime is 11406649. The next prime is 11406671. The reversal of 11406665 is 56660411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11406665 - 2⁴ = 11406649 is a prime.

It is a super-2 number, since 2×11406665² = 260224012844450, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 24035 + ... + 24504.

It is an arithmetic number, because the mean of its divisors is an integer number (1747440).

Almost surely, 2^11406665 is an apocalyptic number.

It is an amenable number.

11406665 is a deficient number, since it is larger than the sum of its proper divisors (2572855).

11406665 is an equidigital number, since it uses as much as digits as its factorization.

11406665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48591.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 11406665 is about 3377.3754603242. The cubic root of 11406665 is about 225.1055636335.

The spelling of 11406665 in words is "eleven million, four hundred six thousand, six hundred sixty-five".