13198783780 has 192 divisors, whose sum is σ = 35129622528. Its totient is φ = 4054095360.

The previous prime is 13198783777. The next prime is 13198783847. The reversal of 13198783780 is 8738789131.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14947219 + ... + 14948101.

It is an arithmetic number, because the mean of its divisors is an integer number (182966784).

Almost surely, 2^13198783780 is an apocalyptic number.

13198783780 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 13198783780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17564811264).

13198783780 is an abundant number, since it is smaller than the sum of its proper divisors (21930838748).

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

13198783780 is a wasteful number, since it uses less digits than its factorization.

13198783780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 13198783780 in words is "thirteen billion, one hundred ninety-eight million, seven hundred eighty-three thousand, seven hundred eighty".