13118477 has 8 divisors (see below), whose sum is σ = 13462680. Its totient is φ = 12778560.

The previous prime is 13118447. The next prime is 13118513. The reversal of 13118477 is 77481131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 13097161 = 146^2 + 3619^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13118477 - 2⁸ = 13118221 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 (13118437) 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, 5663 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (1682835).

Almost surely, 2^13118477 is an apocalyptic number.

It is an amenable number.

13118477 is a deficient number, since it is larger than the sum of its proper divisors (344203).

13118477 is a wasteful number, since it uses less digits than its factorization.

13118477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its digits is 4704, while the sum is 32.

The square root of 13118477 is about 3621.9438151357. The cubic root of 13118477 is about 235.8456150574.

The spelling of 13118477 in words is "thirteen million, one hundred eighteen thousand, four hundred seventy-seven".