12245580 has 60 divisors (see below), whose sum is σ = 38419920. Its totient is φ = 3265056.

The previous prime is 12245579. The next prime is 12245581. The reversal of 12245580 is 8554221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12245579) and next prime (12245581).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12245581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2160 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 2^12245580 is an apocalyptic number.

12245580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12245580 is an abundant number, since it is smaller than the sum of its proper divisors (26174340).

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

12245580 is a wasteful number, since it uses less digits than its factorization.

12245580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 12245580 is about 3499.3685144609. The cubic root of 12245580 is about 230.4940859229.

The spelling of 12245580 in words is "twelve million, two hundred forty-five thousand, five hundred eighty".