13490345 has 8 divisors (see below), whose sum is σ = 17660160. Its totient is φ = 9811120.

The previous prime is 13490341. The next prime is 13490357. The reversal of 13490345 is 54309431.

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

It is not a de Polignac number, because 13490345 - 2² = 13490341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13490341) 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 7 ways as a sum of consecutive naturals, for example, 122585 + ... + 122694.

It is an arithmetic number, because the mean of its divisors is an integer number (2207520).

Almost surely, 2^13490345 is an apocalyptic number.

It is an amenable number.

13490345 is a deficient number, since it is larger than the sum of its proper divisors (4169815).

13490345 is a wasteful number, since it uses less digits than its factorization.

13490345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245295.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13490345 is about 3672.9205000925. The cubic root of 13490345 is about 238.0533799718.

Adding to 13490345 its reverse (54309431), we get a palindrome (67799776).

The spelling of 13490345 in words is "thirteen million, four hundred ninety thousand, three hundred forty-five".