1200011313 has 8 divisors (see below), whose sum is σ = 1614968928. Its totient is φ = 792530624.

The previous prime is 1200011311. The next prime is 1200011341. The reversal of 1200011313 is 3131100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200011313 - 2¹ = 1200011311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200011311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868856 + ... + 1869497.

It is an arithmetic number, because the mean of its divisors is an integer number (201871116).

Almost surely, 2^1200011313 is an apocalyptic number.

It is an amenable number.

1200011313 is a deficient number, since it is larger than the sum of its proper divisors (414957615).

1200011313 is a wasteful number, since it uses less digits than its factorization.

1200011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738463.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1200011313 is about 34641.1794400826. The cubic root of 1200011313 is about 1062.6619085767.

Adding to 1200011313 its reverse (3131100021), we get a palindrome (4331111334).

The spelling of 1200011313 in words is "one billion, two hundred million, eleven thousand, three hundred thirteen".