13208645 has 8 divisors (see below), whose sum is σ = 16187904. Its totient is φ = 10341904.

The previous prime is 13208639. The next prime is 13208651. The reversal of 13208645 is 54680231.

It is an interprime number because it is at equal distance from previous prime (13208639) and next prime (13208651).

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 13208645 - 2¹⁴ = 13192261 is a prime.

It is a Duffinian number.

It is a congruent 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, 27869 + ... + 28338.

It is an arithmetic number, because the mean of its divisors is an integer number (2023488).

Almost surely, 2^13208645 is an apocalyptic number.

It is an amenable number.

13208645 is a deficient number, since it is larger than the sum of its proper divisors (2979259).

13208645 is an equidigital number, since it uses as much as digits as its factorization.

13208645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56259.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13208645 is about 3634.3699591539. The cubic root of 13208645 is about 236.3847322708.

Adding to 13208645 its reverse (54680231), we get a palindrome (67888876).

The spelling of 13208645 in words is "thirteen million, two hundred eight thousand, six hundred forty-five".