11649716 has 12 divisors (see below), whose sum is σ = 21955332. Its totient is φ = 5376768.

The previous prime is 11649713. The next prime is 11649731. The reversal of 11649716 is 61794611.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 9278116 = 1540^2 + 3046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 111965 + ... + 112068.

It is an arithmetic number, because the mean of its divisors is an integer number (1829611).

Almost surely, 2^11649716 is an apocalyptic number.

It is an amenable number.

11649716 is a deficient number, since it is larger than the sum of its proper divisors (10305616).

11649716 is a wasteful number, since it uses less digits than its factorization.

11649716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224050 (or 224048 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 11649716 is about 3413.1680298514. The cubic root of 11649716 is about 226.6931754848.

The spelling of 11649716 in words is "eleven million, six hundred forty-nine thousand, seven hundred sixteen".