34320012 has 24 divisors (see below), whose sum is σ = 80860416. Its totient is φ = 11328528.

The previous prime is 34319981. The next prime is 34320017. The reversal of 34320012 is 21002343.

It is a junction number, because it is equal to n+sod(n) for n = 34319973 and 34320000.

It is not an unprimeable number, because it can be changed into a prime (34320017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12648 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (3369184).

Almost surely, 2^34320012 is an apocalyptic number.

It is an amenable number.

34320012 is an abundant number, since it is smaller than the sum of its proper divisors (46540404).

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

34320012 is a wasteful number, since it uses less digits than its factorization.

34320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877 (or 27875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34320012 is about 5858.3284305337. The cubic root of 34320012 is about 324.9743948269.

Adding to 34320012 its reverse (21002343), we get a palindrome (55322355).

The spelling of 34320012 in words is "thirty-four million, three hundred twenty thousand, twelve".