13206361 has 4 divisors (see below), whose sum is σ = 15092992. Its totient is φ = 11319732.

The previous prime is 13206353. The next prime is 13206367. The reversal of 13206361 is 16360231.

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: 16360231 = 1423 ⋅11497.

It is a cyclic number.

It is not a de Polignac number, because 13206361 - 2³ = 13206353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13206367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943305 + ... + 943318.

It is an arithmetic number, because the mean of its divisors is an integer number (3773248).

Almost surely, 2^13206361 is an apocalyptic number.

It is an amenable number.

13206361 is a deficient number, since it is larger than the sum of its proper divisors (1886631).

13206361 is an equidigital number, since it uses as much as digits as its factorization.

13206361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886630.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13206361 is about 3634.0557232932. The cubic root of 13206361 is about 236.3711065014.

Adding to 13206361 its reverse (16360231), we get a palindrome (29566592).

The spelling of 13206361 in words is "thirteen million, two hundred six thousand, three hundred sixty-one".