11998396 has 24 divisors (see below), whose sum is σ = 22465296. Its totient is φ = 5587200.

The previous prime is 11998391. The next prime is 11998439. The reversal of 11998396 is 69389911.

11998396 = T₈ + T₉ + ... + T₄₁₅.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998391) 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 7 ways as a sum of consecutive naturals, for example, 5995 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (936054).

Almost surely, 2^11998396 is an apocalyptic number.

It is an amenable number.

11998396 is a deficient number, since it is larger than the sum of its proper divisors (10466900).

11998396 is a wasteful number, since it uses less digits than its factorization.

11998396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its digits is 104976, while the sum is 46.

The square root of 11998396 is about 3463.8700899428. The cubic root of 11998396 is about 228.9326473803.

The spelling of 11998396 in words is "eleven million, nine hundred ninety-eight thousand, three hundred ninety-six".