1263768 has 32 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 382880.

The previous prime is 1263767. The next prime is 1263793. The reversal of 1263768 is 8673621.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^1263768 is an apocalyptic number.

It is an amenable number.

1263768 is an abundant number, since it is smaller than the sum of its proper divisors (2183592).

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

1263768 is a wasteful number, since it uses less digits than its factorization.

1263768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807 (or 4803 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1263768 is about 1124.1743636999. The cubic root of 1263768 is about 108.1157880265.

The spelling of 1263768 in words is "one million, two hundred sixty-three thousand, seven hundred sixty-eight".