11662945 has 8 divisors (see below), whose sum is σ = 15994944. Its totient is φ = 7997424.

The previous prime is 11662927. The next prime is 11662993. The reversal of 11662945 is 54926611.

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 11662945 - 2¹¹ = 11660897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11662945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166579 + ... + 166648.

It is an arithmetic number, because the mean of its divisors is an integer number (1999368).

Almost surely, 2^11662945 is an apocalyptic number.

It is an amenable number.

11662945 is a deficient number, since it is larger than the sum of its proper divisors (4331999).

11662945 is an equidigital number, since it uses as much as digits as its factorization.

11662945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333239.

The product of its digits is 12960, while the sum is 34.

The square root of 11662945 is about 3415.1054156497. The cubic root of 11662945 is about 226.7789512404.

The spelling of 11662945 in words is "eleven million, six hundred sixty-two thousand, nine hundred forty-five".