30012007 has 4 divisors (see below), whose sum is σ = 30154456. Its totient is φ = 29869560.

The previous prime is 30011983. The next prime is 30012019. The reversal of 30012007 is 70021003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30012007 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 (30012107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70908 + ... + 71329.

It is an arithmetic number, because the mean of its divisors is an integer number (7538614).

Almost surely, 2^30012007 is an apocalyptic number.

30012007 is a deficient number, since it is larger than the sum of its proper divisors (142449).

30012007 is a wasteful number, since it uses less digits than its factorization.

30012007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142448.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 30012007 is about 5478.3215495259. The cubic root of 30012007 is about 310.7646990003.

The spelling of 30012007 in words is "thirty million, twelve thousand, seven".