11899896 has 16 divisors (see below), whose sum is σ = 29749800. Its totient is φ = 3966624.

The previous prime is 11899879. The next prime is 11899897. The reversal of 11899896 is 69899811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899897) 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, 247891 + ... + 247938.

Almost surely, 2^11899896 is an apocalyptic number.

It is an amenable number.

11899896 is an abundant number, since it is smaller than the sum of its proper divisors (17849904).

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

11899896 is a wasteful number, since it uses less digits than its factorization.

11899896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495838 (or 495834 counting only the distinct ones).

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

The square root of 11899896 is about 3449.6225880522. The cubic root of 11899896 is about 228.3044563028.

The spelling of 11899896 in words is "eleven million, eight hundred ninety-nine thousand, eight hundred ninety-six".