9421013 has 4 divisors (see below), whose sum is σ = 10766880. Its totient is φ = 8075148.

The previous prime is 9420997. The next prime is 9421039. The reversal of 9421013 is 3101249.

9421013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9421013 - 2⁴ = 9420997 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 (9421063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672923 + ... + 672936.

It is an arithmetic number, because the mean of its divisors is an integer number (2691720).

Almost surely, 2^9421013 is an apocalyptic number.

It is an amenable number.

9421013 is a deficient number, since it is larger than the sum of its proper divisors (1345867).

9421013 is a wasteful number, since it uses less digits than its factorization.

9421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345866.

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

The square root of 9421013 is about 3069.3668728257. The cubic root of 9421013 is about 211.2025711947.

The spelling of 9421013 in words is "nine million, four hundred twenty-one thousand, thirteen".