13413243 has 4 divisors (see below), whose sum is σ = 17884328. Its totient is φ = 8942160.

The previous prime is 13413241. The next prime is 13413251. The reversal of 13413243 is 34231431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13413243 - 2¹ = 13413241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13413241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235538 + ... + 2235543.

It is an arithmetic number, because the mean of its divisors is an integer number (4471082).

Almost surely, 2^13413243 is an apocalyptic number.

13413243 is a deficient number, since it is larger than the sum of its proper divisors (4471085).

13413243 is an equidigital number, since it uses as much as digits as its factorization.

13413243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471084.

The product of its digits is 864, while the sum is 21.

The square root of 13413243 is about 3662.4094528056. The cubic root of 13413243 is about 237.5989940043.

Adding to 13413243 its reverse (34231431), we get a palindrome (47644674).

The spelling of 13413243 in words is "thirteen million, four hundred thirteen thousand, two hundred forty-three".