13491343 has 4 divisors (see below), whose sum is σ = 13514688. Its totient is φ = 13468000.

The previous prime is 13491341. The next prime is 13491371. The reversal of 13491343 is 34319431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34319431 = 151 ⋅227281.

It is a cyclic number.

It is not a de Polignac number, because 13491343 - 2¹ = 13491341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13491341) 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, 10783 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (3378672).

Almost surely, 2^13491343 is an apocalyptic number.

13491343 is a deficient number, since it is larger than the sum of its proper divisors (23345).

13491343 is an equidigital number, since it uses as much as digits as its factorization.

13491343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23344.

The product of its digits is 3888, while the sum is 28.

The square root of 13491343 is about 3673.0563567688. The cubic root of 13491343 is about 238.0592501309.

The spelling of 13491343 in words is "thirteen million, four hundred ninety-one thousand, three hundred forty-three".