13240345 has 8 divisors (see below), whose sum is σ = 16258176. Its totient is φ = 10345776.

The previous prime is 13240343. The next prime is 13240349. The reversal of 13240345 is 54304231.

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

It is a cyclic number.

It is not a de Polignac number, because 13240345 - 2¹ = 13240343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30577 + ... + 31006.

It is an arithmetic number, because the mean of its divisors is an integer number (2032272).

Almost surely, 2^13240345 is an apocalyptic number.

It is an amenable number.

13240345 is a deficient number, since it is larger than the sum of its proper divisors (3017831).

13240345 is an equidigital number, since it uses as much as digits as its factorization.

13240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61631.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13240345 is about 3638.7284867107. The cubic root of 13240345 is about 236.5736845167.

Adding to 13240345 its reverse (54304231), we get a palindrome (67544576).

The spelling of 13240345 in words is "thirteen million, two hundred forty thousand, three hundred forty-five".