13206145 has 8 divisors (see below), whose sum is σ = 16001856. Its totient is φ = 10461936.

The previous prime is 13206131. The next prime is 13206173. The reversal of 13206145 is 54160231.

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 13206145 - 2¹¹ = 13204097 is a prime.

It is a super-2 number, since 2×13206145² = 348804531522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12307 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (2000232).

Almost surely, 2^13206145 is an apocalyptic number.

It is an amenable number.

13206145 is a deficient number, since it is larger than the sum of its proper divisors (2795711).

13206145 is a wasteful number, since it uses less digits than its factorization.

13206145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25751.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13206145 is about 3634.0260043098. The cubic root of 13206145 is about 236.3698178184.

Adding to 13206145 its reverse (54160231), we get a palindrome (67366376).

The spelling of 13206145 in words is "thirteen million, two hundred six thousand, one hundred forty-five".