13418949 has 8 divisors (see below), whose sum is σ = 17923840. Its totient is φ = 8930016.

The previous prime is 13418941. The next prime is 13418953. The reversal of 13418949 is 94981431.

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

It is not a de Polignac number, because 13418949 - 2³ = 13418941 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 (13418941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864 + ... + 5505.

It is an arithmetic number, because the mean of its divisors is an integer number (2240480).

Almost surely, 2^13418949 is an apocalyptic number.

It is an amenable number.

13418949 is a deficient number, since it is larger than the sum of its proper divisors (4504891).

13418949 is an equidigital number, since it uses as much as digits as its factorization.

13418949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979.

The product of its digits is 31104, while the sum is 39.

The square root of 13418949 is about 3663.1883653451. The cubic root of 13418949 is about 237.6326808032.

The spelling of 13418949 in words is "thirteen million, four hundred eighteen thousand, nine hundred forty-nine".