13355806 has 4 divisors (see below), whose sum is σ = 20033712. Its totient is φ = 6677902.

The previous prime is 13355789. The next prime is 13355807. The reversal of 13355806 is 60855331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60855331 = 463 ⋅131437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13355807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3338950 + ... + 3338953.

It is an arithmetic number, because the mean of its divisors is an integer number (5008428).

Almost surely, 2^13355806 is an apocalyptic number.

13355806 is a deficient number, since it is larger than the sum of its proper divisors (6677906).

13355806 is an equidigital number, since it uses as much as digits as its factorization.

13355806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677905.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 13355806 is about 3654.5596177925. The cubic root of 13355806 is about 237.2593669860.

It can be divided in two parts, 13355 and 806, that added together give a square (14161 = 119²).

The spelling of 13355806 in words is "thirteen million, three hundred fifty-five thousand, eight hundred six".