13421711 has 2 divisors, whose sum is σ = 13421712. Its totient is φ = 13421710.

The previous prime is 13421689. The next prime is 13421717. The reversal of 13421711 is 11712431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11712431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13421711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421717) 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, 6710855 + 6710856.

It is an arithmetic number, because the mean of its divisors is an integer number (6710856).

Almost surely, 2^13421711 is an apocalyptic number.

13421711 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421711 is an equidigital number, since it uses as much as digits as its factorization.

13421711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 13421711 is about 3663.5653399387. The cubic root of 13421711 is about 237.6489835315.

The spelling of 13421711 in words is "thirteen million, four hundred twenty-one thousand, seven hundred eleven".