13479823 has 8 divisors (see below), whose sum is σ = 15902720. Its totient is φ = 11181240.

The previous prime is 13479821. The next prime is 13479871. The reversal of 13479823 is 32897431.

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

It is not a de Polignac number, because 13479823 - 2¹ = 13479821 is a prime.

It is a super-2 number, since 2×13479823² = 363411256222658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13479821) 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, 30843 + ... + 31276.

It is an arithmetic number, because the mean of its divisors is an integer number (1987840).

Almost surely, 2^13479823 is an apocalyptic number.

13479823 is a deficient number, since it is larger than the sum of its proper divisors (2422897).

13479823 is an equidigital number, since it uses as much as digits as its factorization.

13479823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62157.

The product of its digits is 36288, while the sum is 37.

The square root of 13479823 is about 3671.4878455471. The cubic root of 13479823 is about 237.9914727543.

The spelling of 13479823 in words is "thirteen million, four hundred seventy-nine thousand, eight hundred twenty-three".