13953851 has 2 divisors, whose sum is σ = 13953852. Its totient is φ = 13953850.

The previous prime is 13953803. The next prime is 13953859. The reversal of 13953851 is 15835931.

It is a strong prime.

It is an emirp because it is prime and its reverse (15835931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13953851 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13953859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976925 + 6976926.

It is an arithmetic number, because the mean of its divisors is an integer number (6976926).

Almost surely, 2^13953851 is an apocalyptic number.

13953851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13953851 is an equidigital number, since it uses as much as digits as its factorization.

13953851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 13953851 is about 3735.4853767616. The cubic root of 13953851 is about 240.7491119108.

The spelling of 13953851 in words is "thirteen million, nine hundred fifty-three thousand, eight hundred fifty-one".