1293696448 has 56 divisors (see below), whose sum is σ = 2808030960. Its totient is φ = 586475520.

The previous prime is 1293696431. The next prime is 1293696511. The reversal of 1293696448 is 8446963921.

It is a junction number, because it is equal to n+sod(n) for n = 1293696395 and 1293696404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285690 + ... + 290182.

It is an arithmetic number, because the mean of its divisors is an integer number (50143410).

Almost surely, 2^1293696448 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 1293696448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404015480).

1293696448 is an abundant number, since it is smaller than the sum of its proper divisors (1514334512).

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

1293696448 is a wasteful number, since it uses less digits than its factorization.

1293696448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925 (or 4915 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 1293696448 is about 35967.9919928817. The cubic root of 1293696448 is about 1089.6260109094.

The spelling of 1293696448 in words is "one billion, two hundred ninety-three million, six hundred ninety-six thousand, four hundred forty-eight".