940012013 has 16 divisors (see below), whose sum is σ = 981097920. Its totient is φ = 900067200.

The previous prime is 940011979. The next prime is 940012057. The reversal of 940012013 is 310210049.

It is not a de Polignac number, because 940012013 - 2²² = 935817709 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 (940012063) 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, 383873 + ... + 386313.

It is an arithmetic number, because the mean of its divisors is an integer number (61318620).

Almost surely, 2^940012013 is an apocalyptic number.

It is an amenable number.

940012013 is a deficient number, since it is larger than the sum of its proper divisors (41085907).

940012013 is a wasteful number, since it uses less digits than its factorization.

940012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 940012013 is about 30659.6153433144. The cubic root of 940012013 is about 979.5902816651.

The spelling of 940012013 in words is "nine hundred forty million, twelve thousand, thirteen".