13473121 has 4 divisors (see below), whose sum is σ = 13604032. Its totient is φ = 13342212.

The previous prime is 13473113. The next prime is 13473167. The reversal of 13473121 is 12137431.

13473121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12137431 = 359 ⋅33809.

It is a cyclic number.

It is not a de Polignac number, because 13473121 - 2³ = 13473113 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 13473092 and 13473101.

It is not an unprimeable number, because it can be changed into a prime (13473191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65301 + ... + 65506.

It is an arithmetic number, because the mean of its divisors is an integer number (3401008).

Almost surely, 2^13473121 is an apocalyptic number.

It is an amenable number.

13473121 is a deficient number, since it is larger than the sum of its proper divisors (130911).

13473121 is a wasteful number, since it uses less digits than its factorization.

13473121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130910.

The product of its digits is 504, while the sum is 22.

The square root of 13473121 is about 3670.5750230720. The cubic root of 13473121 is about 237.9520240844.

The spelling of 13473121 in words is "thirteen million, four hundred seventy-three thousand, one hundred twenty-one".