13479873 has 16 divisors (see below), whose sum is σ = 20640000. Its totient is φ = 7739280.

The previous prime is 13479871. The next prime is 13479889. The reversal of 13479873 is 37897431.

It is not a de Polignac number, because 13479873 - 2¹ = 13479871 is a prime.

It is a super-2 number, since 2×13479873² = 363413952192258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13479871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10123 + ... + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (1290000).

Almost surely, 2^13479873 is an apocalyptic number.

It is an amenable number.

13479873 is a deficient number, since it is larger than the sum of its proper divisors (7160127).

13479873 is a wasteful number, since it uses less digits than its factorization.

13479873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532.

The product of its digits is 127008, while the sum is 42.

The square root of 13479873 is about 3671.4946547694. The cubic root of 13479873 is about 237.9917670104.

The spelling of 13479873 in words is "thirteen million, four hundred seventy-nine thousand, eight hundred seventy-three".