13285947 has 8 divisors (see below), whose sum is σ = 17732160. Its totient is φ = 8848520.

The previous prime is 13285933. The next prime is 13285963. The reversal of 13285947 is 74958231.

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 13285947 - 2⁴ = 13285931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13285907) 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, 3304 + ... + 6122.

It is an arithmetic number, because the mean of its divisors is an integer number (2216520).

Almost surely, 2^13285947 is an apocalyptic number.

13285947 is a deficient number, since it is larger than the sum of its proper divisors (4446213).

13285947 is a wasteful number, since it uses less digits than its factorization.

13285947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its digits is 60480, while the sum is 39.

The square root of 13285947 is about 3644.9893003958. The cubic root of 13285947 is about 236.8449733012.

The spelling of 13285947 in words is "thirteen million, two hundred eighty-five thousand, nine hundred forty-seven".