30667013 has 4 divisors (see below), whose sum is σ = 33026028. Its totient is φ = 28308000.

The previous prime is 30667001. The next prime is 30667037. The reversal of 30667013 is 31076603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1582564 + 29084449 = 1258^2 + 5393^2 .

It is a cyclic number.

It is not a de Polignac number, because 30667013 - 2²² = 26472709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30667613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1179488 + ... + 1179513.

It is an arithmetic number, because the mean of its divisors is an integer number (8256507).

Almost surely, 2^30667013 is an apocalyptic number.

It is an amenable number.

30667013 is a deficient number, since it is larger than the sum of its proper divisors (2359015).

30667013 is a wasteful number, since it uses less digits than its factorization.

30667013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359014.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 30667013 is about 5537.7805120824. The cubic root of 30667013 is about 313.0092407456.

The spelling of 30667013 in words is "thirty million, six hundred sixty-seven thousand, thirteen".