13929371 has 2 divisors, whose sum is σ = 13929372. Its totient is φ = 13929370.

The previous prime is 13929347. The next prime is 13929431. The reversal of 13929371 is 17392931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13929371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13929271) 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 as a sum of consecutive naturals, namely, 6964685 + 6964686.

It is an arithmetic number, because the mean of its divisors is an integer number (6964686).

Almost surely, 2^13929371 is an apocalyptic number.

13929371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13929371 is an equidigital number, since it uses as much as digits as its factorization.

13929371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 13929371 is about 3732.2072557670. The cubic root of 13929371 is about 240.6082430789.

The spelling of 13929371 in words is "thirteen million, nine hundred twenty-nine thousand, three hundred seventy-one".