12830991390 has 96 divisors (see below), whose sum is σ = 38145609216. Its totient is φ = 2931318720.

The previous prime is 12830991373. The next prime is 12830991401. The reversal of 12830991390 is 9319903821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1686495 + ... + 1694085.

It is an arithmetic number, because the mean of its divisors is an integer number (397350096).

Almost surely, 2^12830991390 is an apocalyptic number.

12830991390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12830991390 is an abundant number, since it is smaller than the sum of its proper divisors (25314617826).

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

12830991390 is a wasteful number, since it uses less digits than its factorization.

12830991390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10294 (or 10291 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 12830991390 in words is "twelve billion, eight hundred thirty million, nine hundred ninety-one thousand, three hundred ninety".