11749043 has 4 divisors (see below), whose sum is σ = 11762520. Its totient is φ = 11735568.

The previous prime is 11749039. The next prime is 11749051. The reversal of 11749043 is 34094711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11749043 - 2² = 11749039 is a prime.

It is a super-2 number, since 2×11749043² = 276080022831698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11748997 and 11749015.

It is not an unprimeable number, because it can be changed into a prime (11749033) 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 3 ways as a sum of consecutive naturals, for example, 5333 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (2940630).

Almost surely, 2^11749043 is an apocalyptic number.

11749043 is a deficient number, since it is larger than the sum of its proper divisors (13477).

11749043 is an equidigital number, since it uses as much as digits as its factorization.

11749043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 11749043 is about 3427.6877045612. The cubic root of 11749043 is about 227.3356249333.

The spelling of 11749043 in words is "eleven million, seven hundred forty-nine thousand, forty-three".