13296478420 has 24 divisors (see below), whose sum is σ = 28305109224. Its totient is φ = 5245733376.

The previous prime is 13296478399. The next prime is 13296478427. The reversal of 13296478420 is 2487469231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4364716356 + 8931762064 = 66066^2 + 94508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13296478427) 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, 4552129 + ... + 4555048.

It is an arithmetic number, because the mean of its divisors is an integer number (1179379551).

Almost surely, 2^13296478420 is an apocalyptic number.

13296478420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13296478420 is an abundant number, since it is smaller than the sum of its proper divisors (15008630804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13296478420 is a wasteful number, since it uses less digits than its factorization.

13296478420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107259 (or 9107257 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 13296478420 in words is "thirteen billion, two hundred ninety-six million, four hundred seventy-eight thousand, four hundred twenty".