12207620 has 24 divisors (see below), whose sum is σ = 25704000. Its totient is φ = 4870112.

The previous prime is 12207619. The next prime is 12207623. The reversal of 12207620 is 2670221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12207592 and 12207601.

It is not an unprimeable number, because it can be changed into a prime (12207623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11471 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (1071000).

Almost surely, 2^12207620 is an apocalyptic number.

12207620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12207620 is an abundant number, since it is smaller than the sum of its proper divisors (13496380).

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

12207620 is a wasteful number, since it uses less digits than its factorization.

12207620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12207620 is about 3493.9404688689. The cubic root of 12207620 is about 230.2556703204.

Adding to 12207620 its reverse (2670221), we get a palindrome (14877841).

The spelling of 12207620 in words is "twelve million, two hundred seven thousand, six hundred twenty".