13022497800 has 576 divisors, whose sum is σ = 49203882000. Its totient is φ = 3083857920.

The previous prime is 13022497783. The next prime is 13022497801. The reversal of 13022497800 is 879422031.

It can be written as a sum of positive squares in 24 ways, for example, as 9897464196 + 3125033604 = 99486^2 + 55902^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13022497801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 146320156 + ... + 146320244.

Almost surely, 2^13022497800 is an apocalyptic number.

13022497800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13022497800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24601941000).

13022497800 is an abundant number, since it is smaller than the sum of its proper divisors (36181384200).

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

13022497800 is a wasteful number, since it uses less digits than its factorization.

13022497800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 13022497800 in words is "thirteen billion, twenty-two million, four hundred ninety-seven thousand, eight hundred".