13234545 has 48 divisors (see below), whose sum is σ = 25234560. Its totient is φ = 6386688.

The previous prime is 13234541. The next prime is 13234547. The reversal of 13234545 is 54543231.

It is not a de Polignac number, because 13234545 - 2² = 13234541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13234541) 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 47 ways as a sum of consecutive naturals, for example, 19329 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (525720).

Almost surely, 2^13234545 is an apocalyptic number.

13234545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13234545 is a deficient number, since it is larger than the sum of its proper divisors (12000015).

13234545 is a wasteful number, since it uses less digits than its factorization.

13234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 723 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13234545 is about 3637.9314177153. The cubic root of 13234545 is about 236.5391353723.

Adding to 13234545 its reverse (54543231), we get a palindrome (67777776).

The spelling of 13234545 in words is "thirteen million, two hundred thirty-four thousand, five hundred forty-five".