11473665 has 32 divisors (see below), whose sum is σ = 21897216. Its totient is φ = 5016000.

The previous prime is 11473661. The next prime is 11473699. The reversal of 11473665 is 56637411.

It is not a de Polignac number, because 11473665 - 2² = 11473661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11473661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (684288).

Almost surely, 2^11473665 is an apocalyptic number.

11473665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11473665 is a deficient number, since it is larger than the sum of its proper divisors (10423551).

11473665 is a wasteful number, since it uses less digits than its factorization.

11473665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789.

The product of its digits is 15120, while the sum is 33.

The square root of 11473665 is about 3387.2798821473. The cubic root of 11473665 is about 225.5454421099.

The spelling of 11473665 in words is "eleven million, four hundred seventy-three thousand, six hundred sixty-five".