1264818 has 8 divisors (see below), whose sum is σ = 2529648. Its totient is φ = 421604.

The previous prime is 1264807. The next prime is 1264819. The reversal of 1264818 is 8184621.

It is a sphenic number, since it is the product of 3 distinct primes.

1264818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1264819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105396 + ... + 105407.

It is an arithmetic number, because the mean of its divisors is an integer number (316206).

2^1264818 is an apocalyptic number.

1264818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1264818 is a wasteful number, since it uses less digits than its factorization.

1264818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210808.

The product of its digits is 3072, while the sum is 30.

The square root of 1264818 is about 1124.6412761410. The cubic root of 1264818 is about 108.1457223584.

The spelling of 1264818 in words is "one million, two hundred sixty-four thousand, eight hundred eighteen".