13423135 has 16 divisors (see below), whose sum is σ = 17726112. Its totient is φ = 9757440.

The previous prime is 13423117. The next prime is 13423199. The reversal of 13423135 is 53132431.

13423135 = T₄₃₈ + T₄₃₉ + ... + T₅₄₇.

It is not a de Polignac number, because 13423135 - 2⁵ = 13423103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5647 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (1107882).

Almost surely, 2^13423135 is an apocalyptic number.

13423135 is a deficient number, since it is larger than the sum of its proper divisors (4302977).

13423135 is an equidigital number, since it uses as much as digits as its factorization.

13423135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2033 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 13423135 is about 3663.7596809835. The cubic root of 13423135 is about 237.6573878297.

Adding to 13423135 its reverse (53132431), we get a palindrome (66555566).

The spelling of 13423135 in words is "thirteen million, four hundred twenty-three thousand, one hundred thirty-five".