13712335478 has 4 divisors (see below), whose sum is σ = 20568503220. Its totient is φ = 6856167738.

The previous prime is 13712335447. The next prime is 13712335501. The reversal of 13712335478 is 87453321731.

It is a happy number.

13712335478 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13712335478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428083868 + ... + 3428083871.

It is an arithmetic number, because the mean of its divisors is an integer number (5142125805).

Almost surely, 2^13712335478 is an apocalyptic number.

13712335478 is a deficient number, since it is larger than the sum of its proper divisors (6856167742).

13712335478 is an equidigital number, since it uses as much as digits as its factorization.

13712335478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856167741.

The product of its digits is 423360, while the sum is 44.

The spelling of 13712335478 in words is "thirteen billion, seven hundred twelve million, three hundred thirty-five thousand, four hundred seventy-eight".