307200013 has 4 divisors (see below), whose sum is σ = 325270620. Its totient is φ = 289129408.

The previous prime is 307200001. The next prime is 307200053. The reversal of 307200013 is 310002703.

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 190495204 + 116704809 = 13802^2 + 10803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307200013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 307200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307200053) 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, 9035278 + ... + 9035311.

It is an arithmetic number, because the mean of its divisors is an integer number (81317655).

Almost surely, 2^307200013 is an apocalyptic number.

It is an amenable number.

307200013 is a deficient number, since it is larger than the sum of its proper divisors (18070607).

307200013 is a wasteful number, since it uses less digits than its factorization.

307200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070606.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 307200013 is about 17527.1222110191. The cubic root of 307200013 is about 674.7461417593.

Adding to 307200013 its reverse (310002703), we get a palindrome (617202716).

The spelling of 307200013 in words is "three hundred seven million, two hundred thousand, thirteen".