13135806 has 24 divisors (see below), whose sum is σ = 29699280. Its totient is φ = 4188096.

The previous prime is 13135789. The next prime is 13135807. The reversal of 13135806 is 60853131.

It is a self number, because there is not a number n which added to its sum of digits gives 13135806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15451 + ... + 16278.

It is an arithmetic number, because the mean of its divisors is an integer number (1237470).

Almost surely, 2^13135806 is an apocalyptic number.

13135806 is an abundant number, since it is smaller than the sum of its proper divisors (16563474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13135806 is a wasteful number, since it uses less digits than its factorization.

13135806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31760 (or 31757 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13135806 is about 3624.3352493940. The cubic root of 13135806 is about 235.9494170055.

Adding to 13135806 its reverse (60853131), we get a palindrome (73988937).

It can be divided in two parts, 131 and 35806, that added together give a cube (35937 = 33³).

The spelling of 13135806 in words is "thirteen million, one hundred thirty-five thousand, eight hundred six".