13934513 has 4 divisors (see below), whose sum is σ = 14231040. Its totient is φ = 13637988.

The previous prime is 13934507. The next prime is 13934519. The reversal of 13934513 is 31543931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31543931 = 5189 ⋅6079.

It is an interprime number because it is at equal distance from previous prime (13934507) and next prime (13934519).

It is a cyclic number.

It is not a de Polignac number, because 13934513 - 2⁴ = 13934497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13934519) 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, 148193 + ... + 148286.

It is an arithmetic number, because the mean of its divisors is an integer number (3557760).

Almost surely, 2^13934513 is an apocalyptic number.

It is an amenable number.

13934513 is a deficient number, since it is larger than the sum of its proper divisors (296527).

13934513 is an equidigital number, since it uses as much as digits as its factorization.

13934513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296526.

The product of its digits is 4860, while the sum is 29.

The square root of 13934513 is about 3732.8960607014. The cubic root of 13934513 is about 240.6378461236.

The spelling of 13934513 in words is "thirteen million, nine hundred thirty-four thousand, five hundred thirteen".