13404441 has 8 divisors (see below), whose sum is σ = 17963200. Its totient is φ = 8890992.

The previous prime is 13404427. The next prime is 13404451. The reversal of 13404441 is 14440431.

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

It is not a de Polignac number, because 13404441 - 2¹³ = 13396249 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 (13404451) 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, 10630 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (2245400).

Almost surely, 2^13404441 is an apocalyptic number.

It is an amenable number.

13404441 is a deficient number, since it is larger than the sum of its proper divisors (4558759).

13404441 is a wasteful number, since it uses less digits than its factorization.

13404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22655.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 13404441 is about 3661.2075876683. The cubic root of 13404441 is about 237.5470104541.

Adding to 13404441 its reverse (14440431), we get a palindrome (27844872).

The spelling of 13404441 in words is "thirteen million, four hundred four thousand, four hundred forty-one".