13995579 has 8 divisors (see below), whose sum is σ = 20096272. Its totient is φ = 8612640.

The previous prime is 13995577. The next prime is 13995581. The reversal of 13995579 is 97559931.

It is an interprime number because it is at equal distance from previous prime (13995577) and next prime (13995581).

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

It is not a de Polignac number, because 13995579 - 2¹ = 13995577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13995577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179392 + ... + 179469.

It is an arithmetic number, because the mean of its divisors is an integer number (2512034).

Almost surely, 2^13995579 is an apocalyptic number.

13995579 is a deficient number, since it is larger than the sum of its proper divisors (6100693).

13995579 is a wasteful number, since it uses less digits than its factorization.

13995579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358877.

The product of its digits is 382725, while the sum is 48.

The square root of 13995579 is about 3741.0665591513. The cubic root of 13995579 is about 240.9888541301.

The spelling of 13995579 in words is "thirteen million, nine hundred ninety-five thousand, five hundred seventy-nine".