11749705 has 12 divisors (see below), whose sum is σ = 15498756. Its totient is φ = 8544800.

The previous prime is 11749697. The next prime is 11749709. The reversal of 11749705 is 50794711.

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 3059001 = 2948^2 + 1749^2 .

It is not a de Polignac number, because 11749705 - 2³ = 11749697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11749709) 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, 9106 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (1291563).

Almost surely, 2^11749705 is an apocalyptic number.

It is an amenable number.

11749705 is a deficient number, since it is larger than the sum of its proper divisors (3749051).

11749705 is a wasteful number, since it uses less digits than its factorization.

11749705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 11749705 is about 3427.7842697579. The cubic root of 11749705 is about 227.3398945962.

The spelling of 11749705 in words is "eleven million, seven hundred forty-nine thousand, seven hundred five".