1305412 has 6 divisors (see below), whose sum is σ = 2284478. Its totient is φ = 652704.

The previous prime is 1305401. The next prime is 1305427. The reversal of 1305412 is 2145031.

It can be written as a sum of positive squares in only one way, i.e., 952576 + 352836 = 976^2 + 594^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163173 + ... + 163180.

2^1305412 is an apocalyptic number.

It is an amenable number.

1305412 is a deficient number, since it is larger than the sum of its proper divisors (979066).

1305412 is a wasteful number, since it uses less digits than its factorization.

1305412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326357 (or 326355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1305412 is about 1142.5462791502. The cubic root of 1305412 is about 109.2905303733.

The spelling of 1305412 in words is "one million, three hundred five thousand, four hundred twelve".