13210807 has 4 divisors (see below), whose sum is σ = 13491936. Its totient is φ = 12929680.

The previous prime is 13210801. The next prime is 13210811. The reversal of 13210807 is 70801231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70801231 = 331 ⋅213901.

It is a cyclic number.

It is not a de Polignac number, because 13210807 - 2²³ = 4822199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140494 + ... + 140587.

It is an arithmetic number, because the mean of its divisors is an integer number (3372984).

Almost surely, 2^13210807 is an apocalyptic number.

13210807 is a deficient number, since it is larger than the sum of its proper divisors (281129).

13210807 is an equidigital number, since it uses as much as digits as its factorization.

13210807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281128.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 13210807 is about 3634.6673850574. The cubic root of 13210807 is about 236.3976287718.

The spelling of 13210807 in words is "thirteen million, two hundred ten thousand, eight hundred seven".