1304212 has 24 divisors (see below), whose sum is σ = 2809856. Its totient is φ = 515808.

The previous prime is 1304209. The next prime is 1304221. The reversal of 1304212 is 2124031.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1304192 and 1304201.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1428 + ... + 2155.

2^1304212 is an apocalyptic number.

It is an amenable number.

1304212 is an abundant number, since it is smaller than the sum of its proper divisors (1505644).

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

1304212 is a wasteful number, since it uses less digits than its factorization.

1304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1304212 is about 1142.0210155685. The cubic root of 1304212 is about 109.2570316661.

Subtracting from 1304212 its product of nonzero digits (48), we obtain a square (1304164 = 1142²).

Adding to 1304212 its reverse (2124031), we get a palindrome (3428243).

The spelling of 1304212 in words is "one million, three hundred four thousand, two hundred twelve".