1263830 has 16 divisors (see below), whose sum is σ = 2324160. Its totient is φ = 494592.

The previous prime is 1263817. The next prime is 1263853. The reversal of 1263830 is 383621.

It is a junction number, because it is equal to n+sod(n) for n = 1263796 and 1263805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (145260).

2^1263830 is an apocalyptic number.

1263830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263830 is a deficient number, since it is larger than the sum of its proper divisors (1060330).

1263830 is a wasteful number, since it uses less digits than its factorization.

1263830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743.

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

The square root of 1263830 is about 1124.2019391551. The cubic root of 1263830 is about 108.1175560380.

The spelling of 1263830 in words is "one million, two hundred sixty-three thousand, eight hundred thirty".