13458879 has 30 divisors (see below), whose sum is σ = 23394624. Its totient is φ = 7688520.

The previous prime is 13458853. The next prime is 13458889. The reversal of 13458879 is 97885431.

It is not a de Polignac number, because 13458879 - 2⁸ = 13458623 is a prime.

It is a super-2 number, since 2×13458879² = 362282847873282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13458829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2274 + ... + 5664.

Almost surely, 2^13458879 is an apocalyptic number.

13458879 is a deficient number, since it is larger than the sum of its proper divisors (9935745).

13458879 is an equidigital number, since it uses as much as digits as its factorization.

13458879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417 (or 3401 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13458879 is about 3668.6344871082. The cubic root of 13458879 is about 237.8681507306.

The spelling of 13458879 in words is "thirteen million, four hundred fifty-eight thousand, eight hundred seventy-nine".