13398434 has 8 divisors (see below), whose sum is σ = 22968768. Its totient is φ = 5742180.

The previous prime is 13398421. The next prime is 13398449. The reversal of 13398434 is 43489331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13398394 and 13398403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478502 + ... + 478529.

It is an arithmetic number, because the mean of its divisors is an integer number (2871096).

Almost surely, 2^13398434 is an apocalyptic number.

13398434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13398434 is a deficient number, since it is larger than the sum of its proper divisors (9570334).

13398434 is an equidigital number, since it uses as much as digits as its factorization.

13398434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957040.

The product of its digits is 31104, while the sum is 35.

The square root of 13398434 is about 3660.3871379951. The cubic root of 13398434 is about 237.5115207708.

The spelling of 13398434 in words is "thirteen million, three hundred ninety-eight thousand, four hundred thirty-four".