13923579 has 8 divisors (see below), whose sum is σ = 19372032. Its totient is φ = 8878760.

The previous prime is 13923571. The next prime is 13923601. The reversal of 13923579 is 97532931.

13923579 is digitally balanced in base 3, because in such base 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 not a de Polignac number, because 13923579 - 2³ = 13923571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13923571) 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, 100827 + ... + 100964.

It is an arithmetic number, because the mean of its divisors is an integer number (2421504).

Almost surely, 2^13923579 is an apocalyptic number.

13923579 is a deficient number, since it is larger than the sum of its proper divisors (5448453).

13923579 is a wasteful number, since it uses less digits than its factorization.

13923579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201817.

The product of its digits is 51030, while the sum is 39.

The square root of 13923579 is about 3731.4312267547. The cubic root of 13923579 is about 240.5748891883.

The spelling of 13923579 in words is "thirteen million, nine hundred twenty-three thousand, five hundred seventy-nine".