11869049 has 4 divisors (see below), whose sum is σ = 12158580. Its totient is φ = 11579520.

The previous prime is 11869021. The next prime is 11869057. The reversal of 11869049 is 94096811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94096811 = 31 ⋅3035381.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 11343424 = 725^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 11869049 - 2²⁰ = 10820473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11869069) 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, 144704 + ... + 144785.

It is an arithmetic number, because the mean of its divisors is an integer number (3039645).

Almost surely, 2^11869049 is an apocalyptic number.

It is an amenable number.

11869049 is a deficient number, since it is larger than the sum of its proper divisors (289531).

11869049 is an equidigital number, since it uses as much as digits as its factorization.

11869049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289530.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 11869049 is about 3445.1486179844. The cubic root of 11869049 is about 228.1070147577.

The spelling of 11869049 in words is "eleven million, eight hundred sixty-nine thousand, forty-nine".