13104129780 has 360 divisors, whose sum is σ = 48131577312. Its totient is φ = 2992562496.

The previous prime is 13104129763. The next prime is 13104129793. The reversal of 13104129780 is 8792140131.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11668299 + ... + 11669421.

Almost surely, 2^13104129780 is an apocalyptic number.

13104129780 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 13104129780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24065788656).

13104129780 is an abundant number, since it is smaller than the sum of its proper divisors (35027447532).

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

13104129780 is an equidigital number, since it uses as much as digits as its factorization.

13104129780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

It can be divided in two parts, 13104 and 129780, that added together give a square (142884 = 378²).

The spelling of 13104129780 in words is "thirteen billion, one hundred four million, one hundred twenty-nine thousand, seven hundred eighty".