13458849 has 8 divisors (see below), whose sum is σ = 19000800. Its totient is φ = 8444736.

The previous prime is 13458839. The next prime is 13458853. The reversal of 13458849 is 94885431.

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

It is not a de Polignac number, because 13458849 - 2⁷ = 13458721 is a prime.

It is a super-2 number, since 2×13458849² = 362281232809602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13458849.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131899 + ... + 132000.

It is an arithmetic number, because the mean of its divisors is an integer number (2375100).

Almost surely, 2^13458849 is an apocalyptic number.

It is an amenable number.

13458849 is a deficient number, since it is larger than the sum of its proper divisors (5541951).

13458849 is a wasteful number, since it uses less digits than its factorization.

13458849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263919.

The product of its digits is 138240, while the sum is 42.

The square root of 13458849 is about 3668.6303983912. The cubic root of 13458849 is about 237.8679739935.

The spelling of 13458849 in words is "thirteen million, four hundred fifty-eight thousand, eight hundred forty-nine".