11715898 has 8 divisors (see below), whose sum is σ = 17634708. Its totient is φ = 5837664.

The previous prime is 11715889. The next prime is 11715911. The reversal of 11715898 is 89851711.

11715898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10543009 + 1172889 = 3247^2 + 1083^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11715898.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9411 + ... + 10582.

Almost surely, 2^11715898 is an apocalyptic number.

11715898 is a deficient number, since it is larger than the sum of its proper divisors (5918810).

11715898 is a wasteful number, since it uses less digits than its factorization.

11715898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20288.

The product of its digits is 20160, while the sum is 40.

The square root of 11715898 is about 3422.8493977971. The cubic root of 11715898 is about 227.1216461986.

The spelling of 11715898 in words is "eleven million, seven hundred fifteen thousand, eight hundred ninety-eight".