1305016 has 8 divisors (see below), whose sum is σ = 2446920. Its totient is φ = 652504.

The previous prime is 1305013. The next prime is 1305047. The reversal of 1305016 is 6105031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81556 + ... + 81571.

It is an arithmetic number, because the mean of its divisors is an integer number (305865).

2^1305016 is an apocalyptic number.

1305016 is the 723-rd centered pentagonal number.

It is an amenable number.

1305016 is a deficient number, since it is larger than the sum of its proper divisors (1141904).

1305016 is a wasteful number, since it uses less digits than its factorization.

1305016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163133 (or 163129 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1305016 is about 1142.3729688679. The cubic root of 1305016 is about 109.2794780702.

The spelling of 1305016 in words is "one million, three hundred five thousand, sixteen".