13953745 has 8 divisors (see below), whose sum is σ = 18032616. Its totient is φ = 10304256.

The previous prime is 13953739. The next prime is 13953757. The reversal of 13953745 is 54735931.

It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 13927824 = 161^2 + 3732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13953745 - 2⁵ = 13953713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107272 + ... + 107401.

It is an arithmetic number, because the mean of its divisors is an integer number (2254077).

Almost surely, 2^13953745 is an apocalyptic number.

It is an amenable number.

13953745 is a deficient number, since it is larger than the sum of its proper divisors (4078871).

13953745 is a wasteful number, since it uses less digits than its factorization.

13953745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214691.

The product of its digits is 56700, while the sum is 37.

The square root of 13953745 is about 3735.4711884848. The cubic root of 13953745 is about 240.7485022949.

The spelling of 13953745 in words is "thirteen million, nine hundred fifty-three thousand, seven hundred forty-five".