13428361 has 8 divisors (see below), whose sum is σ = 13835304. Its totient is φ = 13025280.

The previous prime is 13428353. The next prime is 13428379. The reversal of 13428361 is 16382431.

13428361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 960400 + 12467961 = 980^2 + 3531^2 .

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 13428361 - 2³ = 13428353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13428061) 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, 7065 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (1729413).

Almost surely, 2^13428361 is an apocalyptic number.

It is an amenable number.

13428361 is a deficient number, since it is larger than the sum of its proper divisors (406943).

13428361 is a wasteful number, since it uses less digits than its factorization.

13428361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its digits is 3456, while the sum is 28.

The square root of 13428361 is about 3664.4728133798. The cubic root of 13428361 is about 237.6882260396.

The spelling of 13428361 in words is "thirteen million, four hundred twenty-eight thousand, three hundred sixty-one".