11898049 has 4 divisors (see below), whose sum is σ = 11913264. Its totient is φ = 11882836.

The previous prime is 11898043. The next prime is 11898059. The reversal of 11898049 is 94089811.

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: 94089811 = 983 ⋅95717.

It is a cyclic number.

It is not a de Polignac number, because 11898049 - 2³ = 11898041 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898041) 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 3 ways as a sum of consecutive naturals, for example, 6367 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (2978316).

Almost surely, 2^11898049 is an apocalyptic number.

It is an amenable number.

11898049 is a deficient number, since it is larger than the sum of its proper divisors (15215).

11898049 is an equidigital number, since it uses as much as digits as its factorization.

11898049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11898049 is about 3449.3548672179. The cubic root of 11898049 is about 228.2926438704.

The spelling of 11898049 in words is "eleven million, eight hundred ninety-eight thousand, forty-nine".