13913501 has 6 divisors (see below), whose sum is σ = 16185150. Its totient is φ = 11925816.

The previous prime is 13913461. The next prime is 13913521. The reversal of 13913501 is 10531931.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 765625 = 3626^2 + 875^2 .

It is not a de Polignac number, because 13913501 - 2⁶ = 13913437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913521) 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 5 ways as a sum of consecutive naturals, for example, 141926 + ... + 142023.

It is an arithmetic number, because the mean of its divisors is an integer number (2697525).

Almost surely, 2^13913501 is an apocalyptic number.

It is an amenable number.

13913501 is a deficient number, since it is larger than the sum of its proper divisors (2271649).

13913501 is an equidigital number, since it uses as much as digits as its factorization.

13913501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283963 (or 283956 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 13913501 is about 3730.0805621327. The cubic root of 13913501 is about 240.5168318232.

The spelling of 13913501 in words is "thirteen million, nine hundred thirteen thousand, five hundred one".