12299120 has 20 divisors (see below), whose sum is σ = 28595640. Its totient is φ = 4919616.

The previous prime is 12299107. The next prime is 12299129. The reversal of 12299120 is 2199221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 12299120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12299129) 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, 76790 + ... + 76949.

It is an arithmetic number, because the mean of its divisors is an integer number (1429782).

Almost surely, 2^12299120 is an apocalyptic number.

12299120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12299120 is an abundant number, since it is smaller than the sum of its proper divisors (16296520).

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

12299120 is a wasteful number, since it uses less digits than its factorization.

12299120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153752 (or 153746 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12299120 is about 3507.0101225973. The cubic root of 12299120 is about 230.8295188354.

The spelling of 12299120 in words is "twelve million, two hundred ninety-nine thousand, one hundred twenty".