11649799 has 12 divisors (see below), whose sum is σ = 14142384. Its totient is φ = 9550464.

The previous prime is 11649791. The next prime is 11649809. The reversal of 11649799 is 99794611.

It is not a de Polignac number, because 11649799 - 2³ = 11649791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649791) 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 11 ways as a sum of consecutive naturals, for example, 4042 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (1178532).

Almost surely, 2^11649799 is an apocalyptic number.

11649799 is a deficient number, since it is larger than the sum of its proper divisors (2492585).

11649799 is a wasteful number, since it uses less digits than its factorization.

11649799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374 (or 10367 counting only the distinct ones).

The product of its digits is 122472, while the sum is 46.

The square root of 11649799 is about 3413.1801886217. The cubic root of 11649799 is about 226.6937138524.

The spelling of 11649799 in words is "eleven million, six hundred forty-nine thousand, seven hundred ninety-nine".