13065247 has 4 divisors (see below), whose sum is σ = 14070280. Its totient is φ = 12060216.

The previous prime is 13065211. The next prime is 13065251. The reversal of 13065247 is 74256031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13065247 - 2⁷ = 13065119 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 (13065277) 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, 502497 + ... + 502522.

It is an arithmetic number, because the mean of its divisors is an integer number (3517570).

Almost surely, 2^13065247 is an apocalyptic number.

13065247 is a deficient number, since it is larger than the sum of its proper divisors (1005033).

13065247 is a wasteful number, since it uses less digits than its factorization.

13065247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005032.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13065247 is about 3614.5880816491. The cubic root of 13065247 is about 235.5261907724.

The spelling of 13065247 in words is "thirteen million, sixty-five thousand, two hundred forty-seven".