1292448 has 24 divisors (see below), whose sum is σ = 3392928. Its totient is φ = 430784.

The previous prime is 1292441. The next prime is 1292477. The reversal of 1292448 is 8442921.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6636 + ... + 6827.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1292448 is an apocalyptic number.

It is an amenable number.

1292448 is an abundant number, since it is smaller than the sum of its proper divisors (2100480).

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

1292448 is a wasteful number, since it uses less digits than its factorization.

1292448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476 (or 13468 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1292448 is about 1136.8588302863. The cubic root of 1292448 is about 108.9275393050.

The spelling of 1292448 in words is "one million, two hundred ninety-two thousand, four hundred forty-eight".