13343445 has 24 divisors (see below), whose sum is σ = 23512632. Its totient is φ = 6998400.

The previous prime is 13343443. The next prime is 13343483. The reversal of 13343445 is 54434331.

It can be written as a sum of positive squares in 4 ways, for example, as 938961 + 12404484 = 969^2 + 3522^2 .

It is not a de Polignac number, because 13343445 - 2¹ = 13343443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (979693).

Almost surely, 2^13343445 is an apocalyptic number.

13343445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13343445 is a deficient number, since it is larger than the sum of its proper divisors (10169187).

13343445 is a wasteful number, since it uses less digits than its factorization.

13343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933 (or 4930 counting only the distinct ones).

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

The square root of 13343445 is about 3652.8680512715. The cubic root of 13343445 is about 237.1861486849.

Adding to 13343445 its reverse (54434331), we get a palindrome (67777776).

The spelling of 13343445 in words is "thirteen million, three hundred forty-three thousand, four hundred forty-five".