13404135 has 8 divisors (see below), whose sum is σ = 21446640. Its totient is φ = 7148864.

The previous prime is 13404133. The next prime is 13404137. The reversal of 13404135 is 53140431.

It is an interprime number because it is at equal distance from previous prime (13404133) and next prime (13404137).

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 13404135 - 2¹ = 13404133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404133) 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, 446790 + ... + 446819.

It is an arithmetic number, because the mean of its divisors is an integer number (2680830).

Almost surely, 2^13404135 is an apocalyptic number.

13404135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13404135 is a deficient number, since it is larger than the sum of its proper divisors (8042505).

13404135 is an equidigital number, since it uses as much as digits as its factorization.

13404135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893617.

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

The square root of 13404135 is about 3661.1657979392. The cubic root of 13404135 is about 237.5452028458.

Adding to 13404135 its reverse (53140431), we get a palindrome (66544566).

The spelling of 13404135 in words is "thirteen million, four hundred four thousand, one hundred thirty-five".