13045047 has 8 divisors (see below), whose sum is σ = 17481600. Its totient is φ = 8652600.

The previous prime is 13045031. The next prime is 13045051. The reversal of 13045047 is 74054031.

13045047 = T₂₅₈ + T₂₅₉ + ... + T₄₅₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13045047 - 2⁴ = 13045031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10329 + ... + 11522.

It is an arithmetic number, because the mean of its divisors is an integer number (2185200).

Almost surely, 2^13045047 is an apocalyptic number.

13045047 is a deficient number, since it is larger than the sum of its proper divisors (4436553).

13045047 is a wasteful number, since it uses less digits than its factorization.

13045047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22053.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13045047 is about 3611.7927681416. The cubic root of 13045047 is about 235.4047468874.

Adding to 13045047 its reverse (74054031), we get a palindrome (87099078).

The spelling of 13045047 in words is "thirteen million, forty-five thousand, forty-seven".