12252620 has 24 divisors (see below), whose sum is σ = 25796400. Its totient is φ = 4888512.

The previous prime is 12252619. The next prime is 12252637. The reversal of 12252620 is 2625221.

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 = 12252592 and 12252601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14366 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (1074850).

Almost surely, 2^12252620 is an apocalyptic number.

12252620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252620 is an abundant number, since it is smaller than the sum of its proper divisors (13543780).

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

12252620 is a wasteful number, since it uses less digits than its factorization.

12252620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12252620 is about 3500.3742657036. The cubic root of 12252620 is about 230.5382479118.

Adding to 12252620 its reverse (2625221), we get a palindrome (14877841).

The spelling of 12252620 in words is "twelve million, two hundred fifty-two thousand, six hundred twenty".