11998968 has 16 divisors (see below), whose sum is σ = 29997480. Its totient is φ = 3999648.

The previous prime is 11998967. The next prime is 11998979. The reversal of 11998968 is 86989911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11998968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998967) 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, 249955 + ... + 250002.

Almost surely, 2^11998968 is an apocalyptic number.

It is an amenable number.

11998968 is an abundant number, since it is smaller than the sum of its proper divisors (17998512).

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

11998968 is a wasteful number, since it uses less digits than its factorization.

11998968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499966 (or 499962 counting only the distinct ones).

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

The square root of 11998968 is about 3463.9526555656. The cubic root of 11998968 is about 228.9362852942.

The spelling of 11998968 in words is "eleven million, nine hundred ninety-eight thousand, nine hundred sixty-eight".