1263552 has 28 divisors (see below), whose sum is σ = 3343656. Its totient is φ = 421120.

The previous prime is 1263547. The next prime is 1263569. The reversal of 1263552 is 2553621.

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

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, 3099 + ... + 3482.

2^1263552 is an apocalyptic number.

1263552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263552 is an abundant number, since it is smaller than the sum of its proper divisors (2080104).

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

1263552 is an equidigital number, since it uses as much as digits as its factorization.

1263552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6586 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 1263552 is about 1124.0782890884. The cubic root of 1263552 is about 108.1096280507.

The spelling of 1263552 in words is "one million, two hundred sixty-three thousand, five hundred fifty-two".