13071135 has 32 divisors (see below), whose sum is σ = 26076672. Its totient is φ = 5431680.

The previous prime is 13071131. The next prime is 13071137. The reversal of 13071135 is 53117031.

It is not a de Polignac number, because 13071135 - 2² = 13071131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13071131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4504 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (814896).

Almost surely, 2^13071135 is an apocalyptic number.

13071135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13071135 is a deficient number, since it is larger than the sum of its proper divisors (13005537).

13071135 is a wasteful number, since it uses less digits than its factorization.

13071135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 13071135 is about 3615.4024672227. The cubic root of 13071135 is about 235.5615662980.

Adding to 13071135 its reverse (53117031), we get a palindrome (66188166).

It can be divided in two parts, 1307 and 1135, that added together give a palindrome (2442).

The spelling of 13071135 in words is "thirteen million, seventy-one thousand, one hundred thirty-five".