13959995 has 8 divisors (see below), whose sum is σ = 19145184. Its totient is φ = 9572544.

The previous prime is 13959977. The next prime is 13960007. The reversal of 13959995 is 59995931.

13959995 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13959995 is a prime.

It is a Duffinian number.

13959995 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199394 + ... + 199463.

It is an arithmetic number, because the mean of its divisors is an integer number (2393148).

Almost surely, 2^13959995 is an apocalyptic number.

13959995 is a deficient number, since it is larger than the sum of its proper divisors (5185189).

13959995 is an equidigital number, since it uses as much as digits as its factorization.

13959995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398869.

The product of its digits is 492075, while the sum is 50.

The square root of 13959995 is about 3736.3076693442. The cubic root of 13959995 is about 240.7844413574.

The spelling of 13959995 in words is "thirteen million, nine hundred fifty-nine thousand, nine hundred ninety-five".