11963598 has 8 divisors (see below), whose sum is σ = 23927208. Its totient is φ = 3987864.

The previous prime is 11963569. The next prime is 11963599. The reversal of 11963598 is 89536911.

It is a sphenic number, since it is the product of 3 distinct primes.

11963598 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11963599) 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, 996961 + ... + 996972.

It is an arithmetic number, because the mean of its divisors is an integer number (2990901).

Almost surely, 2^11963598 is an apocalyptic number.

11963598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11963598 is a wasteful number, since it uses less digits than its factorization.

11963598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993938.

The product of its digits is 58320, while the sum is 42.

The square root of 11963598 is about 3458.8434483220. The cubic root of 11963598 is about 228.7111146539.

It can be divided in two parts, 11963 and 598, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11963598 in words is "eleven million, nine hundred sixty-three thousand, five hundred ninety-eight".