12199488 has 112 divisors (see below), whose sum is σ = 38282880. Its totient is φ = 3354624.

The previous prime is 12199457. The next prime is 12199507. The reversal of 12199488 is 88499121.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38820 + ... + 39132.

Almost surely, 2^12199488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12199488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19141440).

12199488 is an abundant number, since it is smaller than the sum of its proper divisors (26083392).

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

12199488 is a wasteful number, since it uses less digits than its factorization.

12199488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 354 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 12199488 is about 3492.7765459588. The cubic root of 12199488 is about 230.2045313587.

The spelling of 12199488 in words is "twelve million, one hundred ninety-nine thousand, four hundred eighty-eight".