11649896 has 16 divisors (see below), whose sum is σ = 23128740. Its totient is φ = 5482240.

The previous prime is 11649889. The next prime is 11649901. The reversal of 11649896 is 69894611.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 184900 = 3386^2 + 430^2 .

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 3 ways as a sum of consecutive naturals, for example, 42695 + ... + 42966.

Almost surely, 2^11649896 is an apocalyptic number.

It is an amenable number.

11649896 is a deficient number, since it is larger than the sum of its proper divisors (11478844).

11649896 is a wasteful number, since it uses less digits than its factorization.

11649896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85684 (or 85680 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 11649896 is about 3413.1943982141. The cubic root of 11649896 is about 226.6943430258.

The spelling of 11649896 in words is "eleven million, six hundred forty-nine thousand, eight hundred ninety-six".