13934615 has 4 divisors (see below), whose sum is σ = 16721544. Its totient is φ = 11147688.

The previous prime is 13934603. The next prime is 13934617. The reversal of 13934615 is 51643931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51643931 = 137 ⋅376963.

It is a cyclic number.

It is not a de Polignac number, because 13934615 - 2⁶ = 13934551 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 (13934617) 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, 1393457 + ... + 1393466.

It is an arithmetic number, because the mean of its divisors is an integer number (4180386).

Almost surely, 2^13934615 is an apocalyptic number.

13934615 is a deficient number, since it is larger than the sum of its proper divisors (2786929).

13934615 is an equidigital number, since it uses as much as digits as its factorization.

13934615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786928.

The product of its digits is 9720, while the sum is 32.

The square root of 13934615 is about 3732.9097229909. The cubic root of 13934615 is about 240.6384332749.

The spelling of 13934615 in words is "thirteen million, nine hundred thirty-four thousand, six hundred fifteen".