12250620 has 36 divisors (see below), whose sum is σ = 37160760. Its totient is φ = 3266784.

The previous prime is 12250613. The next prime is 12250621. The reversal of 12250620 is 2605221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12250593 and 12250602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33850 + ... + 34209.

Almost surely, 2^12250620 is an apocalyptic number.

12250620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12250620 is an abundant number, since it is smaller than the sum of its proper divisors (24910140).

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

12250620 is a wasteful number, since it uses less digits than its factorization.

12250620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68074 (or 68069 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12250620 is about 3500.0885703079. The cubic root of 12250620 is about 230.5257036128.

Adding to 12250620 its reverse (2605221), we get a palindrome (14855841).

The spelling of 12250620 in words is "twelve million, two hundred fifty thousand, six hundred twenty".