12202720 has 48 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 4785664.

The previous prime is 12202709. The next prime is 12202733. The reversal of 12202720 is 2720221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12202694 and 12202703.

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 7 ways as a sum of consecutive naturals, for example, 7761 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^12202720 is an apocalyptic number.

12202720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14696640).

12202720 is an abundant number, since it is smaller than the sum of its proper divisors (17190560).

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

12202720 is a wasteful number, since it uses less digits than its factorization.

12202720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12202720 is about 3493.2391844819. The cubic root of 12202720 is about 230.2248588607.

Adding to 12202720 its reverse (2720221), we get a palindrome (14922941).

The spelling of 12202720 in words is "twelve million, two hundred two thousand, seven hundred twenty".