13020478179247 has 16 divisors (see below), whose sum is σ = 16756979042304. Its totient is φ = 9818542404000.

The previous prime is 13020478179209. The next prime is 13020478179253. The reversal of 13020478179247 is 74297187402031.

It is not a de Polignac number, because 13020478179247 - 2⁷ = 13020478179119 is a prime.

It is a super-2 number, since 2×13020478179247² (a number of 27 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 (13020478179257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727370504 + ... + 2727375277.

It is an arithmetic number, because the mean of its divisors is an integer number (1047311190144).

Almost surely, 2^{13020478179247} is an apocalyptic number.

13020478179247 is a deficient number, since it is larger than the sum of its proper divisors (3736500863057).

13020478179247 is a wasteful number, since it uses less digits than its factorization.

13020478179247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454745830.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 13020478179247 in words is "thirteen trillion, twenty billion, four hundred seventy-eight million, one hundred seventy-nine thousand, two hundred forty-seven".