13960985 has 16 divisors (see below), whose sum is σ = 17139600. Its totient is φ = 10914816.

The previous prime is 13960979. The next prime is 13960987. The reversal of 13960985 is 58906931.

It can be written as a sum of positive squares in 8 ways, for example, as 63001 + 13897984 = 251^2 + 3728^2 .

It is a cyclic number.

It is not a de Polignac number, because 13960985 - 2¹⁰ = 13959961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13960987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60851 + ... + 61079.

It is an arithmetic number, because the mean of its divisors is an integer number (1071225).

Almost surely, 2^13960985 is an apocalyptic number.

It is an amenable number.

13960985 is a deficient number, since it is larger than the sum of its proper divisors (3178615).

13960985 is a wasteful number, since it uses less digits than its factorization.

13960985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13960985 is about 3736.4401507317. The cubic root of 13960985 is about 240.7901331207.

The spelling of 13960985 in words is "thirteen million, nine hundred sixty thousand, nine hundred eighty-five".