12943448 has 64 divisors (see below), whose sum is σ = 29160000. Its totient is φ = 5381376.

The previous prime is 12943433. The next prime is 12943487. The reversal of 12943448 is 84434921.

It is a super-2 number, since 2×12943448² = 335065692257408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145388 + ... + 145476.

It is an arithmetic number, because the mean of its divisors is an integer number (455625).

Almost surely, 2^12943448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12943448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14580000).

12943448 is an abundant number, since it is smaller than the sum of its proper divisors (16216552).

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

12943448 is an equidigital number, since it uses as much as digits as its factorization.

12943448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 151 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 12943448 is about 3597.7003766295. The cubic root of 12943448 is about 234.7920175828.

It can be divided in two parts, 12943 and 448, that multiplied together give a square (5798464 = 2408²).

The spelling of 12943448 in words is "twelve million, nine hundred forty-three thousand, four hundred forty-eight".