1305012 has 12 divisors (see below), whose sum is σ = 3045056. Its totient is φ = 435000.

The previous prime is 1305011. The next prime is 1305013. The reversal of 1305012 is 2105031.

It is an interprime number because it is at equal distance from previous prime (1305011) and next prime (1305013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 108751 = 1305012 / (1 + 3 + 0 + 5 + 0 + 1 + 2).

It is an Ulam number.

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 in 3 ways as a sum of consecutive naturals, for example, 54364 + ... + 54387.

2^1305012 is an apocalyptic number.

1305012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305012 is an abundant number, since it is smaller than the sum of its proper divisors (1740044).

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

1305012 is a wasteful number, since it uses less digits than its factorization.

1305012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108758 (or 108756 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1305012 is about 1142.3712181248. The cubic root of 1305012 is about 109.2793664194.

The spelling of 1305012 in words is "one million, three hundred five thousand, twelve".