12873450 has 48 divisors (see below), whose sum is σ = 33613920. Its totient is φ = 3251520.

The previous prime is 12873439. The next prime is 12873457. The reversal of 12873450 is 5437821.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12873457) 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, 592 + ... + 5108.

It is an arithmetic number, because the mean of its divisors is an integer number (700290).

Almost surely, 2^12873450 is an apocalyptic number.

12873450 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 12873450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16806960).

12873450 is an abundant number, since it is smaller than the sum of its proper divisors (20740470).

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

12873450 is a wasteful number, since it uses less digits than its factorization.

12873450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12873450 is about 3587.9590298664. The cubic root of 12873450 is about 234.3680015688.

The spelling of 12873450 in words is "twelve million, eight hundred seventy-three thousand, four hundred fifty".