1240413013 has 16 divisors (see below), whose sum is σ = 1469684736. Its totient is φ = 1024456320.

The previous prime is 1240412947. The next prime is 1240413029. The reversal of 1240413013 is 3103140421.

It is a cyclic number.

It is not a de Polignac number, because 1240413013 - 2⁹ = 1240412501 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 (1240413913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38295 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (91855296).

Almost surely, 2^1240413013 is an apocalyptic number.

It is an amenable number.

1240413013 is a deficient number, since it is larger than the sum of its proper divisors (229271723).

1240413013 is a wasteful number, since it uses less digits than its factorization.

1240413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24804.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1240413013 is about 35219.4976256051. The cubic root of 1240413013 is about 1074.4563360219.

Adding to 1240413013 its reverse (3103140421), we get a palindrome (4343553434).

The spelling of 1240413013 in words is "one billion, two hundred forty million, four hundred thirteen thousand, thirteen".