11720049 has 16 divisors (see below), whose sum is σ = 17371584. Its totient is φ = 6968000.

The previous prime is 11720047. The next prime is 11720053. The reversal of 11720049 is 94002711.

It is a cyclic number.

It is not a de Polignac number, because 11720049 - 2¹ = 11720047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11720047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1602 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (1085724).

Almost surely, 2^11720049 is an apocalyptic number.

It is an amenable number.

11720049 is a deficient number, since it is larger than the sum of its proper divisors (5651535).

11720049 is a wasteful number, since it uses less digits than its factorization.

11720049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11720049 is about 3423.4557102437. The cubic root of 11720049 is about 227.1484664682.

The spelling of 11720049 in words is "eleven million, seven hundred twenty thousand, forty-nine".