34012321 has 12 divisors (see below), whose sum is σ = 40046832. Its totient is φ = 28798728.

The previous prime is 34012313. The next prime is 34012333. The reversal of 34012321 is 12321043.

It is a happy number.

It is not a de Polignac number, because 34012321 - 2³ = 34012313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34012295 and 34012304.

It is not an unprimeable number, because it can be changed into a prime (34012021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115 + ... + 8248.

It is an arithmetic number, because the mean of its divisors is an integer number (3337236).

Almost surely, 2^34012321 is an apocalyptic number.

It is an amenable number.

34012321 is a deficient number, since it is larger than the sum of its proper divisors (6034511).

34012321 is an equidigital number, since it uses as much as digits as its factorization.

34012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460 (or 8453 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 34012321 is about 5832.0083161806. The cubic root of 34012321 is about 324.0003080066. Note that the first 3 decimals are identical.

Adding to 34012321 its reverse (12321043), we get a palindrome (46333364).

The spelling of 34012321 in words is "thirty-four million, twelve thousand, three hundred twenty-one".