12831450 has 48 divisors (see below), whose sum is σ = 32114016. Its totient is φ = 3390400.

The previous prime is 12831449. The next prime is 12831457. The reversal of 12831450 is 5413821.

It is a super-2 number, since 2×12831450² = 329292218205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12831450.

It is not an unprimeable number, because it can be changed into a prime (12831457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19324 + ... + 19976.

It is an arithmetic number, because the mean of its divisors is an integer number (669042).

Almost surely, 2^12831450 is an apocalyptic number.

12831450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12831450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16057008).

12831450 is an abundant number, since it is smaller than the sum of its proper divisors (19282566).

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

12831450 is a wasteful number, since it uses less digits than its factorization.

12831450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12831450 is about 3582.1013386000. The cubic root of 12831450 is about 234.1128464404.

The spelling of 12831450 in words is "twelve million, eight hundred thirty-one thousand, four hundred fifty".