11998896 has 160 divisors (see below), whose sum is σ = 39664128. Its totient is φ = 3041280.

The previous prime is 11998859. The next prime is 11998927. The reversal of 11998896 is 69889911.

It is a happy number.

11998896 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179055 + ... + 179121.

Almost surely, 2^11998896 is an apocalyptic number.

11998896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11998896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19832064).

11998896 is an abundant number, since it is smaller than the sum of its proper divisors (27665232).

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

11998896 is a wasteful number, since it uses less digits than its factorization.

11998896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its digits is 279936, while the sum is 51.

The square root of 11998896 is about 3463.9422627983. The cubic root of 11998896 is about 228.9358273813.

The spelling of 11998896 in words is "eleven million, nine hundred ninety-eight thousand, eight hundred ninety-six".