12432620 has 12 divisors (see below), whose sum is σ = 26108544. Its totient is φ = 4973040.

The previous prime is 12432601. The next prime is 12432683. The reversal of 12432620 is 2623421.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 621631 = 12432620 / (1 + 2 + 4 + 3 + 2 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12432592 and 12432601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310796 + ... + 310835.

It is an arithmetic number, because the mean of its divisors is an integer number (2175712).

Almost surely, 2^12432620 is an apocalyptic number.

12432620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432620 is an abundant number, since it is smaller than the sum of its proper divisors (13675924).

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

12432620 is a wasteful number, since it uses less digits than its factorization.

12432620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621640 (or 621638 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12432620 is about 3525.9920589814. The cubic root of 12432620 is about 231.6616898217.

The spelling of 12432620 in words is "twelve million, four hundred thirty-two thousand, six hundred twenty".