13543401 has 8 divisors (see below), whose sum is σ = 18108544. Its totient is φ = 9003600.

The previous prime is 13543399. The next prime is 13543417. The reversal of 13543401 is 10434531.

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

It is not a de Polignac number, because 13543401 - 2¹ = 13543399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13543451) 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, 5050 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (2263568).

Almost surely, 2^13543401 is an apocalyptic number.

It is an amenable number.

13543401 is a deficient number, since it is larger than the sum of its proper divisors (4565143).

13543401 is a wasteful number, since it uses less digits than its factorization.

13543401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13543401 is about 3680.1360029216. The cubic root of 13543401 is about 238.3650507394.

Adding to 13543401 its reverse (10434531), we get a palindrome (23977932).

The spelling of 13543401 in words is "thirteen million, five hundred forty-three thousand, four hundred one".