13404001 has 8 divisors (see below), whose sum is σ = 14492520. Its totient is φ = 12323712.

The previous prime is 13403989. The next prime is 13404011. The reversal of 13404001 is 10040431.

It can be written as a sum of positive squares in 4 ways, for example, as 616225 + 12787776 = 785^2 + 3576^2 .

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 13404001 - 2⁵ = 13403969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13404011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 5413.

It is an arithmetic number, because the mean of its divisors is an integer number (1811565).

Almost surely, 2^13404001 is an apocalyptic number.

It is an amenable number.

13404001 is a deficient number, since it is larger than the sum of its proper divisors (1088519).

13404001 is a wasteful number, since it uses less digits than its factorization.

13404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13404001 is about 3661.1474977116. The cubic root of 13404001 is about 237.5444112701.

Adding to 13404001 its reverse (10040431), we get a palindrome (23444432).

The spelling of 13404001 in words is "thirteen million, four hundred four thousand, one".