11500998 has 8 divisors (see below), whose sum is σ = 23002008. Its totient is φ = 3833664.

The previous prime is 11500997. The next prime is 11501003. The reversal of 11500998 is 89900511.

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

11500998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500991) 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, 958411 + ... + 958422.

It is an arithmetic number, because the mean of its divisors is an integer number (2875251).

Almost surely, 2^11500998 is an apocalyptic number.

11500998 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.

11500998 is a wasteful number, since it uses less digits than its factorization.

11500998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916838.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 11500998 is about 3391.3121354426. The cubic root of 11500998 is about 225.7244010467.

The spelling of 11500998 in words is "eleven million, five hundred thousand, nine hundred ninety-eight".