11929898 has 4 divisors (see below), whose sum is σ = 17894850. Its totient is φ = 5964948.

The previous prime is 11929889. The next prime is 11929913. The reversal of 11929898 is 89892911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89892911 = 7207 ⋅12473.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 2301289 = 3103^2 + 1517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2982473 + ... + 2982476.

Almost surely, 2^11929898 is an apocalyptic number.

11929898 is a deficient number, since it is larger than the sum of its proper divisors (5964952).

11929898 is an equidigital number, since it uses as much as digits as its factorization.

11929898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964951.

The product of its digits is 93312, while the sum is 47.

The square root of 11929898 is about 3453.9684422415. The cubic root of 11929898 is about 228.4961622346.

The spelling of 11929898 in words is "eleven million, nine hundred twenty-nine thousand, eight hundred ninety-eight".