11899448 has 16 divisors (see below), whose sum is σ = 24339960. Its totient is φ = 5408800.

The previous prime is 11899429. The next prime is 11899451. The reversal of 11899448 is 84499811.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 11899399 and 11899408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67523 + ... + 67698.

Almost surely, 2^11899448 is an apocalyptic number.

It is an amenable number.

11899448 is an abundant number, since it is smaller than the sum of its proper divisors (12440512).

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

11899448 is a wasteful number, since it uses less digits than its factorization.

11899448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135238 (or 135234 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 11899448 is about 3449.5576528013. The cubic root of 11899448 is about 228.3015912447.

The spelling of 11899448 in words is "eleven million, eight hundred ninety-nine thousand, four hundred forty-eight".