1263480 has 32 divisors (see below), whose sum is σ = 3790800. Its totient is φ = 336896.

The previous prime is 1263473. The next prime is 1263487. The reversal of 1263480 is 843621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1263473) and next prime (1263487).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1263480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145 + ... + 5384.

2^1263480 is an apocalyptic number.

1263480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263480 is an abundant number, since it is smaller than the sum of its proper divisors (2527320).

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

1263480 is a wasteful number, since it uses less digits than its factorization.

1263480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543 (or 10539 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1263480 is about 1124.0462623931. The cubic root of 1263480 is about 108.1075745694.

The spelling of 1263480 in words is "one million, two hundred sixty-three thousand, four hundred eighty".