1264016 has 40 divisors (see below), whose sum is σ = 2708160. Its totient is φ = 567936.

The previous prime is 1264009. The next prime is 1264027. The reversal of 1264016 is 6104621.

It is a happy 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, 12221 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^1264016 is an apocalyptic number.

1264016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354080).

1264016 is an abundant number, since it is smaller than the sum of its proper divisors (1444144).

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

1264016 is a wasteful number, since it uses less digits than its factorization.

1264016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1264016 is about 1124.2846614626. The cubic root of 1264016 is about 108.1228597258.

Adding to 1264016 its reverse (6104621), we get a palindrome (7368637).

The spelling of 1264016 in words is "one million, two hundred sixty-four thousand, sixteen".