13487343 has 4 divisors (see below), whose sum is σ = 17983128. Its totient is φ = 8991560.

The previous prime is 13487339. The next prime is 13487377. The reversal of 13487343 is 34378431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34378431 = 3 ⋅11459477.

It is a cyclic number.

It is not a de Polignac number, because 13487343 - 2² = 13487339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487323) 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, 2247888 + ... + 2247893.

It is an arithmetic number, because the mean of its divisors is an integer number (4495782).

Almost surely, 2^13487343 is an apocalyptic number.

13487343 is a deficient number, since it is larger than the sum of its proper divisors (4495785).

13487343 is an equidigital number, since it uses as much as digits as its factorization.

13487343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495784.

The product of its digits is 24192, while the sum is 33.

The square root of 13487343 is about 3672.5118107366. The cubic root of 13487343 is about 238.0357206936.

The spelling of 13487343 in words is "thirteen million, four hundred eighty-seven thousand, three hundred forty-three".