13999995 has 12 divisors (see below), whose sum is σ = 24266736. Its totient is φ = 7466640.

The previous prime is 13999981. The next prime is 14000029. The reversal of 13999995 is 59999931.

It is a happy number.

It is not a de Polignac number, because 13999995 - 2¹¹ = 13997947 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155511 + ... + 155600.

It is an arithmetic number, because the mean of its divisors is an integer number (2022228).

Almost surely, 2^13999995 is an apocalyptic number.

13999995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13999995 is a deficient number, since it is larger than the sum of its proper divisors (10266741).

13999995 is a wasteful number, since it uses less digits than its factorization.

13999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311122 (or 311119 counting only the distinct ones).

The product of its digits is 885735, while the sum is 54.

The square root of 13999995 is about 3741.6567186208. The cubic root of 13999995 is about 241.0141977253.

The spelling of 13999995 in words is "thirteen million, nine hundred ninety-nine thousand, nine hundred ninety-five".