13401447 has 8 divisors (see below), whose sum is σ = 17944320. Its totient is φ = 8896440.

The previous prime is 13401397. The next prime is 13401467. The reversal of 13401447 is 74410431.

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

It is not a de Polignac number, because 13401447 - 2⁸ = 13401191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401467) 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, 8629 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (2243040).

Almost surely, 2^13401447 is an apocalyptic number.

13401447 is a deficient number, since it is larger than the sum of its proper divisors (4542873).

13401447 is a wasteful number, since it uses less digits than its factorization.

13401447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 13401447 is about 3660.7986833477. The cubic root of 13401447 is about 237.5293230646.

Adding to 13401447 its reverse (74410431), we get a palindrome (87811878).

The spelling of 13401447 in words is "thirteen million, four hundred one thousand, four hundred forty-seven".