13418121 has 8 divisors (see below), whose sum is σ = 18058464. Its totient is φ = 8861600.

The previous prime is 13418113. The next prime is 13418137. The reversal of 13418121 is 12181431.

It is a happy number.

13418121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13418121 - 2³ = 13418113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13418101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20580 + ... + 21221.

It is an arithmetic number, because the mean of its divisors is an integer number (2257308).

Almost surely, 2^13418121 is an apocalyptic number.

It is an amenable number.

13418121 is a deficient number, since it is larger than the sum of its proper divisors (4640343).

13418121 is a wasteful number, since it uses less digits than its factorization.

13418121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41911.

The product of its digits is 192, while the sum is 21.

The square root of 13418121 is about 3663.0753473004. The cubic root of 13418121 is about 237.6277930904.

Adding to 13418121 its reverse (12181431), we get a palindrome (25599552).

The spelling of 13418121 in words is "thirteen million, four hundred eighteen thousand, one hundred twenty-one".