13942811 has 2 divisors, whose sum is σ = 13942812. Its totient is φ = 13942810.

The previous prime is 13942783. The next prime is 13942861. The reversal of 13942811 is 11824931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13942811 - 2¹⁰ = 13941787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13942861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971405 + 6971406.

It is an arithmetic number, because the mean of its divisors is an integer number (6971406).

Almost surely, 2^13942811 is an apocalyptic number.

13942811 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942811 is an equidigital number, since it uses as much as digits as its factorization.

13942811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 13942811 is about 3734.0073647490. The cubic root of 13942811 is about 240.6856032432.

The spelling of 13942811 in words is "thirteen million, nine hundred forty-two thousand, eight hundred eleven".