11749169 has 4 divisors (see below), whose sum is σ = 11763444. Its totient is φ = 11734896.

The previous prime is 11749141. The next prime is 11749181. The reversal of 11749169 is 96194711.

11749169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4566769 + 7182400 = 2137^2 + 2680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11749169 is a prime.

It is a super-2 number, since 2×11749169² = 276085944381122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11749069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (2940861).

Almost surely, 2^11749169 is an apocalyptic number.

It is an amenable number.

11749169 is a deficient number, since it is larger than the sum of its proper divisors (14275).

11749169 is an equidigital number, since it uses as much as digits as its factorization.

11749169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274.

The product of its digits is 13608, while the sum is 38.

The square root of 11749169 is about 3427.7060842493. The cubic root of 11749169 is about 227.3364376005.

The spelling of 11749169 in words is "eleven million, seven hundred forty-nine thousand, one hundred sixty-nine".