13440035 has 8 divisors (see below), whose sum is σ = 18432096. Its totient is φ = 9216000.

The previous prime is 13440001. The next prime is 13440041. The reversal of 13440035 is 53004431.

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

It is a de Polignac number, because none of the positive numbers 2^k-13440035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13439989 and 13440016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191966 + ... + 192035.

It is an arithmetic number, because the mean of its divisors is an integer number (2304012).

Almost surely, 2^13440035 is an apocalyptic number.

13440035 is a deficient number, since it is larger than the sum of its proper divisors (4992061).

13440035 is an equidigital number, since it uses as much as digits as its factorization.

13440035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384013.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13440035 is about 3666.0653294779. The cubic root of 13440035 is about 237.7570844965.

Adding to 13440035 its reverse (53004431), we get a palindrome (66444466).

The spelling of 13440035 in words is "thirteen million, four hundred forty thousand, thirty-five".