13398135 has 32 divisors (see below), whose sum is σ = 23016960. Its totient is φ = 6634368.

The previous prime is 13398131. The next prime is 13398139. The reversal of 13398135 is 53189331.

It is an interprime number because it is at equal distance from previous prime (13398131) and next prime (13398139).

It is not a de Polignac number, because 13398135 - 2² = 13398131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13398096 and 13398105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398131) 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 31 ways as a sum of consecutive naturals, for example, 14662 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (719280).

Almost surely, 2^13398135 is an apocalyptic number.

13398135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13398135 is a deficient number, since it is larger than the sum of its proper divisors (9618825).

13398135 is a wasteful number, since it uses less digits than its factorization.

13398135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 9720, while the sum is 33.

The square root of 13398135 is about 3660.3462950929. The cubic root of 13398135 is about 237.5097539854.

The spelling of 13398135 in words is "thirteen million, three hundred ninety-eight thousand, one hundred thirty-five".