9278013 has 8 divisors (see below), whose sum is σ = 12672576. Its totient is φ = 6034400.

The previous prime is 9277991. The next prime is 9278029. The reversal of 9278013 is 3108729.

It is a happy number.

9278013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 9278013 - 2⁹ = 9277501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9278033) 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, 37593 + ... + 37838.

It is an arithmetic number, because the mean of its divisors is an integer number (1584072).

Almost surely, 2^9278013 is an apocalyptic number.

It is an amenable number.

9278013 is a deficient number, since it is larger than the sum of its proper divisors (3394563).

9278013 is a wasteful number, since it uses less digits than its factorization.

9278013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75475.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 9278013 is about 3045.9830925335. The cubic root of 9278013 is about 210.1285154396.

The spelling of 9278013 in words is "nine million, two hundred seventy-eight thousand, thirteen".