13347826797 has 4 divisors (see below), whose sum is σ = 17797102400. Its totient is φ = 8898551196.

The previous prime is 13347826787. The next prime is 13347826799. The reversal of 13347826797 is 79762874331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13347826797 - 2⁷ = 13347826669 is a prime.

It is a super-2 number, since 2×13347826797² (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 (13347826799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224637797 + ... + 2224637802.

It is an arithmetic number, because the mean of its divisors is an integer number (4449275600).

Almost surely, 2^13347826797 is an apocalyptic number.

It is an amenable number.

13347826797 is a deficient number, since it is larger than the sum of its proper divisors (4449275603).

13347826797 is an equidigital number, since it uses as much as digits as its factorization.

13347826797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449275602.

The product of its digits is 10668672, while the sum is 57.

The spelling of 13347826797 in words is "thirteen billion, three hundred forty-seven million, eight hundred twenty-six thousand, seven hundred ninety-seven".