9428013 has 24 divisors (see below), whose sum is σ = 16481088. Its totient is φ = 5069952.

The previous prime is 9427997. The next prime is 9428017. The reversal of 9428013 is 3108249.

It is not a de Polignac number, because 9428013 - 2⁴ = 9427997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3331 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (686712).

Almost surely, 2^9428013 is an apocalyptic number.

It is an amenable number.

9428013 is a deficient number, since it is larger than the sum of its proper divisors (7053075).

9428013 is a wasteful number, since it uses less digits than its factorization.

9428013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833 (or 8830 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 9428013 is about 3070.5069613990. The cubic root of 9428013 is about 211.2548674812.

The spelling of 9428013 in words is "nine million, four hundred twenty-eight thousand, thirteen".