13955403 has 16 divisors (see below), whose sum is σ = 23198976. Its totient is φ = 7249440.

The previous prime is 13955393. The next prime is 13955413. The reversal of 13955403 is 30455931.

It is an interprime number because it is at equal distance from previous prime (13955393) and next prime (13955413).

It is not a de Polignac number, because 13955403 - 2⁹ = 13954891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13955413) 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 in 15 ways as a sum of consecutive naturals, for example, 29976 + ... + 30437.

It is an arithmetic number, because the mean of its divisors is an integer number (1449936).

Almost surely, 2^13955403 is an apocalyptic number.

13955403 is a deficient number, since it is larger than the sum of its proper divisors (9243573).

13955403 is a wasteful number, since it uses less digits than its factorization.

13955403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60434.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 13955403 is about 3735.6931083803. The cubic root of 13955403 is about 240.7580372550.

The spelling of 13955403 in words is "thirteen million, nine hundred fifty-five thousand, four hundred three".