11892849 has 4 divisors (see below), whose sum is σ = 15857136. Its totient is φ = 7928564.

The previous prime is 11892827. The next prime is 11892869. The reversal of 11892849 is 94829811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94829811 = 3 ⋅31609937.

It is a cyclic number.

It is not a de Polignac number, because 11892849 - 2⁷ = 11892721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11892849.

It is not an unprimeable number, because it can be changed into a prime (11892869) 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, 1982139 + ... + 1982144.

It is an arithmetic number, because the mean of its divisors is an integer number (3964284).

Almost surely, 2^11892849 is an apocalyptic number.

It is an amenable number.

11892849 is a deficient number, since it is larger than the sum of its proper divisors (3964287).

11892849 is an equidigital number, since it uses as much as digits as its factorization.

11892849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964286.

The product of its digits is 41472, while the sum is 42.

The square root of 11892849 is about 3448.6010207039. The cubic root of 11892849 is about 228.2593808614.

The spelling of 11892849 in words is "eleven million, eight hundred ninety-two thousand, eight hundred forty-nine".