13720934 has 8 divisors (see below), whose sum is σ = 20863560. Its totient is φ = 6766416.

The previous prime is 13720933. The next prime is 13721033. The reversal of 13720934 is 43902731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13720897 and 13720906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46844 + ... + 47135.

It is an arithmetic number, because the mean of its divisors is an integer number (2607945).

Almost surely, 2^13720934 is an apocalyptic number.

13720934 is a deficient number, since it is larger than the sum of its proper divisors (7142626).

13720934 is an equidigital number, since it uses as much as digits as its factorization.

13720934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94054.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13720934 is about 3704.1779114940. The cubic root of 13720934 is about 239.4020647840.

The spelling of 13720934 in words is "thirteen million, seven hundred twenty thousand, nine hundred thirty-four".