11798965 has 4 divisors (see below), whose sum is σ = 14158764. Its totient is φ = 9439168.

The previous prime is 11798957. The next prime is 11798971. The reversal of 11798965 is 56989711.

It is a happy number.

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 8708401 + 3090564 = 2951^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 11798965 - 2³ = 11798957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1179892 + ... + 1179901.

It is an arithmetic number, because the mean of its divisors is an integer number (3539691).

Almost surely, 2^11798965 is an apocalyptic number.

It is an amenable number.

11798965 is a deficient number, since it is larger than the sum of its proper divisors (2359799).

11798965 is an equidigital number, since it uses as much as digits as its factorization.

11798965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359798.

The product of its digits is 136080, while the sum is 46.

The square root of 11798965 is about 3434.9621540855. The cubic root of 11798965 is about 227.6571550292.

The spelling of 11798965 in words is "eleven million, seven hundred ninety-eight thousand, nine hundred sixty-five".