13243734 has 48 divisors (see below), whose sum is σ = 33190560. Its totient is φ = 3738240.

The previous prime is 13243723. The next prime is 13243739. The reversal of 13243734 is 43734231.

It is a junction number, because it is equal to n+sod(n) for n = 13243698 and 13243707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10624 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (691470).

Almost surely, 2^13243734 is an apocalyptic number.

13243734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13243734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16595280).

13243734 is an abundant number, since it is smaller than the sum of its proper divisors (19946826).

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

13243734 is a wasteful number, since it uses less digits than its factorization.

13243734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 13243734 is about 3639.1941415649. The cubic root of 13243734 is about 236.5938672693.

Adding to 13243734 its reverse (43734231), we get a palindrome (56977965).

The spelling of 13243734 in words is "thirteen million, two hundred forty-three thousand, seven hundred thirty-four".