13934213 has 4 divisors (see below), whose sum is σ = 13951968. Its totient is φ = 13916460.

The previous prime is 13934209. The next prime is 13934227. The reversal of 13934213 is 31243931.

It is a happy number.

13934213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13934213 - 2² = 13934209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13934243) 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, 7643 + ... + 9288.

It is an arithmetic number, because the mean of its divisors is an integer number (3487992).

Almost surely, 2^13934213 is an apocalyptic number.

It is an amenable number.

13934213 is a deficient number, since it is larger than the sum of its proper divisors (17755).

13934213 is an equidigital number, since it uses as much as digits as its factorization.

13934213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17754.

The product of its digits is 1944, while the sum is 26.

The square root of 13934213 is about 3732.8558772072. The cubic root of 13934213 is about 240.6361191916.

The spelling of 13934213 in words is "thirteen million, nine hundred thirty-four thousand, two hundred thirteen".