34440013 has 4 divisors (see below), whose sum is σ = 34911868. Its totient is φ = 33968160.

The previous prime is 34440001. The next prime is 34440059. The reversal of 34440013 is 31004443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31004443 = 47 ⋅659669.

It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 20912329 = 3678^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 34440013 - 2⁵ = 34439981 is a prime.

It is a super-2 number, since 2×34440013² = 2372228990880338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34440713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235818 + ... + 235963.

It is an arithmetic number, because the mean of its divisors is an integer number (8727967).

Almost surely, 2^34440013 is an apocalyptic number.

It is an amenable number.

34440013 is a deficient number, since it is larger than the sum of its proper divisors (471855).

34440013 is an equidigital number, since it uses as much as digits as its factorization.

34440013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471854.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34440013 is about 5868.5614080454. The cubic root of 34440013 is about 325.3527152923.

Adding to 34440013 its reverse (31004443), we get a palindrome (65444456).

The spelling of 34440013 in words is "thirty-four million, four hundred forty thousand, thirteen".