13743213 has 32 divisors (see below), whose sum is σ = 21980160. Its totient is φ = 7539840.

The previous prime is 13743209. The next prime is 13743221. The reversal of 13743213 is 31234731.

It is not a de Polignac number, because 13743213 - 2² = 13743209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13743263) 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 31 ways as a sum of consecutive naturals, for example, 13945 + ... + 14897.

It is an arithmetic number, because the mean of its divisors is an integer number (686880).

Almost surely, 2^13743213 is an apocalyptic number.

It is an amenable number.

13743213 is a deficient number, since it is larger than the sum of its proper divisors (8236947).

13743213 is a wasteful number, since it uses less digits than its factorization.

13743213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its digits is 1512, while the sum is 24.

The square root of 13743213 is about 3707.1839716960. The cubic root of 13743213 is about 239.5315689519.

Adding to 13743213 its reverse (31234731), we get a palindrome (44977944).

The spelling of 13743213 in words is "thirteen million, seven hundred forty-three thousand, two hundred thirteen".