13117210477 has 12 divisors (see below), whose sum is σ = 15922223136. Its totient is φ = 10754482200.

The previous prime is 13117210433. The next prime is 13117210541. The reversal of 13117210477 is 77401271131.

It is a de Polignac number, because none of the positive numbers 2^k-13117210477 is a prime.

It is a super-2 number, since 2×13117210477² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117210417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818399 + ... + 5820652.

It is an arithmetic number, because the mean of its divisors is an integer number (1326851928).

Almost surely, 2^13117210477 is an apocalyptic number.

It is an amenable number.

13117210477 is a deficient number, since it is larger than the sum of its proper divisors (2805012659).

13117210477 is a wasteful number, since it uses less digits than its factorization.

13117210477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639088 (or 11639081 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

It can be divided in two parts, 1311721047 and 7, that multiplied together give a square (9182047329 = 95823²).

The spelling of 13117210477 in words is "thirteen billion, one hundred seventeen million, two hundred ten thousand, four hundred seventy-seven".