1263424 has 28 divisors (see below), whose sum is σ = 2641600. Its totient is φ = 597888.

The previous prime is 1263403. The next prime is 1263461. The reversal of 1263424 is 4243621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1263395 and 1263404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697 + ... + 1735.

2^1263424 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 1263424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320800).

1263424 is an abundant number, since it is smaller than the sum of its proper divisors (1378176).

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

1263424 is a wasteful number, since it uses less digits than its factorization.

1263424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1060 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1263424 is about 1124.0213521104. The cubic root of 1263424 is about 108.1059773634.

It can be divided in two parts, 12 and 63424, that added together give a palindrome (63436).

The spelling of 1263424 in words is "one million, two hundred sixty-three thousand, four hundred twenty-four".