1293404 has 18 divisors (see below), whose sum is σ = 2633400. Its totient is φ = 554232.

The previous prime is 1293401. The next prime is 1293419. The reversal of 1293404 is 4043921.

It is a self number, because there is not a number n which added to its sum of digits gives 1293404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3104 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (146300).

2^1293404 is an apocalyptic number.

1293404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1293404 is an abundant number, since it is smaller than the sum of its proper divisors (1339996).

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

1293404 is a wasteful number, since it uses less digits than its factorization.

1293404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617 (or 6608 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1293404 is about 1137.2792093413. The cubic root of 1293404 is about 108.9543899179.

The spelling of 1293404 in words is "one million, two hundred ninety-three thousand, four hundred four".