13051447 has 8 divisors (see below), whose sum is σ = 13272336. Its totient is φ = 12832512.

The previous prime is 13051411. The next prime is 13051453. The reversal of 13051447 is 74415031.

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 13051447 - 2⁷ = 13051319 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 (13051457) 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, 18768 + ... + 19450.

It is an arithmetic number, because the mean of its divisors is an integer number (1659042).

Almost surely, 2^13051447 is an apocalyptic number.

13051447 is a deficient number, since it is larger than the sum of its proper divisors (220889).

13051447 is an equidigital number, since it uses as much as digits as its factorization.

13051447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 13051447 is about 3612.6786461018. The cubic root of 13051447 is about 235.4432377175.

Adding to 13051447 its reverse (74415031), we get a palindrome (87466478).

The spelling of 13051447 in words is "thirteen million, fifty-one thousand, four hundred forty-seven".