12099448 has 8 divisors (see below), whose sum is σ = 22686480. Its totient is φ = 6049720.

The previous prime is 12099443. The next prime is 12099473. The reversal of 12099448 is 84499021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12099443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756208 + ... + 756223.

It is an arithmetic number, because the mean of its divisors is an integer number (2835810).

Almost surely, 2^12099448 is an apocalyptic number.

It is an amenable number.

12099448 is a deficient number, since it is larger than the sum of its proper divisors (10587032).

12099448 is a wasteful number, since it uses less digits than its factorization.

12099448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512437 (or 1512433 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12099448 is about 3478.4260808590. The cubic root of 12099448 is about 229.5735513246.

The spelling of 12099448 in words is "twelve million, ninety-nine thousand, four hundred forty-eight".