13755279 has 8 divisors (see below), whose sum is σ = 18529840. Its totient is φ = 9075456.

The previous prime is 13755277. The next prime is 13755281. The reversal of 13755279 is 97255731.

It is an interprime number because it is at equal distance from previous prime (13755277) and next prime (13755281).

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

It is not a de Polignac number, because 13755279 - 2¹ = 13755277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755271) 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, 23344 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (2316230).

Almost surely, 2^13755279 is an apocalyptic number.

13755279 is a deficient number, since it is larger than the sum of its proper divisors (4774561).

13755279 is an equidigital number, since it uses as much as digits as its factorization.

13755279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47369.

The product of its digits is 66150, while the sum is 39.

The square root of 13755279 is about 3708.8109954539. The cubic root of 13755279 is about 239.6016482096.

The spelling of 13755279 in words is "thirteen million, seven hundred fifty-five thousand, two hundred seventy-nine".