13344345 has 56 divisors (see below), whose sum is σ = 27491136. Its totient is φ = 6088608.

The previous prime is 13344341. The next prime is 13344367. The reversal of 13344345 is 54344331.

It is not a de Polignac number, because 13344345 - 2² = 13344341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13344341) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 25254 + ... + 25776.

Almost surely, 2^13344345 is an apocalyptic number.

13344345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13344345 is an abundant number, since it is smaller than the sum of its proper divisors (14146791).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13344345 is an frugal number, since it uses more digits than its factorization.

13344345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 538 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 13344345 is about 3652.9912400661. The cubic root of 13344345 is about 237.1914812092.

Adding to 13344345 its reverse (54344331), we get a palindrome (67688676).

It can be divided in two parts, 13344 and 345, that added together give a square (13689 = 117²).

The spelling of 13344345 in words is "thirteen million, three hundred forty-four thousand, three hundred forty-five".