13700543 has 4 divisors (see below), whose sum is σ = 14142528. Its totient is φ = 13258560.

The previous prime is 13700527. The next prime is 13700551. The reversal of 13700543 is 34500731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34500731 = 1571 ⋅21961.

It is a cyclic number.

It is not a de Polignac number, because 13700543 - 2⁴ = 13700527 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 (13700563) 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, 220946 + ... + 221007.

It is an arithmetic number, because the mean of its divisors is an integer number (3535632).

Almost surely, 2^13700543 is an apocalyptic number.

13700543 is a deficient number, since it is larger than the sum of its proper divisors (441985).

13700543 is an equidigital number, since it uses as much as digits as its factorization.

13700543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441984.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13700543 is about 3701.4244555306. The cubic root of 13700543 is about 239.2834123234.

The spelling of 13700543 in words is "thirteen million, seven hundred thousand, five hundred forty-three".