1240013313 has 64 divisors (see below), whose sum is σ = 2306304000. Its totient is φ = 639679680.

The previous prime is 1240013293. The next prime is 1240013339. The reversal of 1240013313 is 3133100421.

It is not a de Polignac number, because 1240013313 - 2⁶ = 1240013249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240013353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307770 + ... + 311772.

It is an arithmetic number, because the mean of its divisors is an integer number (36036000).

Almost surely, 2^1240013313 is an apocalyptic number.

It is an amenable number.

1240013313 is a deficient number, since it is larger than the sum of its proper divisors (1066290687).

1240013313 is a wasteful number, since it uses less digits than its factorization.

1240013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1240013313 is about 35213.8227547081. The cubic root of 1240013313 is about 1074.3409157734.

Adding to 1240013313 its reverse (3133100421), we get a palindrome (4373113734).

The spelling of 1240013313 in words is "one billion, two hundred forty million, thirteen thousand, three hundred thirteen".