12242620 has 24 divisors (see below), whose sum is σ = 27687744. Its totient is φ = 4520256.

The previous prime is 12242617. The next prime is 12242621. The reversal of 12242620 is 2624221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242621) 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, 23284 + ... + 23803.

It is an arithmetic number, because the mean of its divisors is an integer number (1153656).

Almost surely, 2^12242620 is an apocalyptic number.

12242620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242620 is an abundant number, since it is smaller than the sum of its proper divisors (15445124).

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

12242620 is a wasteful number, since it uses less digits than its factorization.

12242620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47109 (or 47107 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12242620 is about 3498.9455554495. The cubic root of 12242620 is about 230.4755127595.

Adding to 12242620 its reverse (2624221), we get a palindrome (14866841).

It can be divided in two parts, 1224 and 2620, that added together give a square (3844 = 62²).

The spelling of 12242620 in words is "twelve million, two hundred forty-two thousand, six hundred twenty".