12302420 has 24 divisors (see below), whose sum is σ = 27822984. Its totient is φ = 4542336.

The previous prime is 12302417. The next prime is 12302431. The reversal of 12302420 is 2420321.

It can be written as a sum of positive squares in 4 ways, for example, as 1359556 + 10942864 = 1166^2 + 3308^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12302395 and 12302404.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23399 + ... + 23918.

It is an arithmetic number, because the mean of its divisors is an integer number (1159291).

Almost surely, 2^12302420 is an apocalyptic number.

12302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302420 is an abundant number, since it is smaller than the sum of its proper divisors (15520564).

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

12302420 is a wasteful number, since it uses less digits than its factorization.

12302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47339 (or 47337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12302420 is about 3507.4805772805. The cubic root of 12302420 is about 230.8501617566.

Adding to 12302420 its reverse (2420321), we get a palindrome (14722741).

The spelling of 12302420 in words is "twelve million, three hundred two thousand, four hundred twenty".