13953803 has 2 divisors, whose sum is σ = 13953804. Its totient is φ = 13953802.

The previous prime is 13953791. The next prime is 13953851. The reversal of 13953803 is 30835931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13953803 - 2⁶ = 13953739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13953803.

It is not a weakly prime, because it can be changed into another prime (13953103) 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, 6976901 + 6976902.

It is an arithmetic number, because the mean of its divisors is an integer number (6976902).

Almost surely, 2^13953803 is an apocalyptic number.

13953803 is a deficient number, since it is larger than the sum of its proper divisors (1).

13953803 is an equidigital number, since it uses as much as digits as its factorization.

13953803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13953803 is about 3735.4789518882. The cubic root of 13953803 is about 240.7488358587.

The spelling of 13953803 in words is "thirteen million, nine hundred fifty-three thousand, eight hundred three".