12340620 has 48 divisors (see below), whose sum is σ = 38394720. Its totient is φ = 3290688.

The previous prime is 12340607. The next prime is 12340637. The reversal of 12340620 is 2604321.

It is a happy number.

12340620 is a `hidden beast` number, since 1 + 2 + 3 + 40 + 620 = 666.

12340620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12340593 and 12340602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10887 + ... + 11966.

It is an arithmetic number, because the mean of its divisors is an integer number (799890).

Almost surely, 2^12340620 is an apocalyptic number.

12340620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340620 is an abundant number, since it is smaller than the sum of its proper divisors (26054100).

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

12340620 is a wasteful number, since it uses less digits than its factorization.

12340620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22871 (or 22863 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12340620 is about 3512.9218607877. The cubic root of 12340620 is about 231.0888509612.

Adding to 12340620 its reverse (2604321), we get a palindrome (14944941).

The spelling of 12340620 in words is "twelve million, three hundred forty thousand, six hundred twenty".