13234745 has 8 divisors (see below), whose sum is σ = 16060680. Its totient is φ = 10468480.

The previous prime is 13234699. The next prime is 13234747. The reversal of 13234745 is 54743231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1817104 + 11417641 = 1348^2 + 3379^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-13234745 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13234747) 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, 14426 + ... + 15315.

It is an arithmetic number, because the mean of its divisors is an integer number (2007585).

Almost surely, 2^13234745 is an apocalyptic number.

It is an amenable number.

13234745 is a deficient number, since it is larger than the sum of its proper divisors (2825935).

13234745 is an equidigital number, since it uses as much as digits as its factorization.

13234745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29835.

The product of its digits is 10080, while the sum is 29.

The square root of 13234745 is about 3637.9589057602. The cubic root of 13234745 is about 236.5403268901.

Adding to 13234745 its reverse (54743231), we get a palindrome (67977976).

It can be divided in two parts, 13 and 234745, that multiplied together give a triangular number (3051685 = T₂₄₇₀).

The spelling of 13234745 in words is "thirteen million, two hundred thirty-four thousand, seven hundred forty-five".