404013013 has 8 divisors (see below), whose sum is σ = 406022400. Its totient is φ = 402008880.

The previous prime is 404012989. The next prime is 404013019. The reversal of 404013013 is 310310404.

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 404013013 - 2⁹ = 404012501 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 (404013019) 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, 288088 + ... + 289486.

It is an arithmetic number, because the mean of its divisors is an integer number (50752800).

Almost surely, 2^404013013 is an apocalyptic number.

It is an amenable number.

404013013 is a deficient number, since it is larger than the sum of its proper divisors (2009387).

404013013 is a wasteful number, since it uses less digits than its factorization.

404013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 404013013 is about 20100.0749501090. The cubic root of 404013013 is about 739.2621163094.

Adding to 404013013 its reverse (310310404), we get a palindrome (714323417).

The spelling of 404013013 in words is "four hundred four million, thirteen thousand, thirteen".