1329212 has 6 divisors (see below), whose sum is σ = 2326128. Its totient is φ = 664604.

The previous prime is 1329197. The next prime is 1329217. The reversal of 1329212 is 2129231.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166148 + ... + 166155.

It is an arithmetic number, because the mean of its divisors is an integer number (387688).

2^1329212 is an apocalyptic number.

It is an amenable number.

1329212 is a deficient number, since it is larger than the sum of its proper divisors (996916).

1329212 is a wasteful number, since it uses less digits than its factorization.

1329212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332307 (or 332305 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1329212 is about 1152.9145675201. The cubic root of 1329212 is about 109.9507217291.

It can be divided in two parts, 13 and 29212, that multiplied together give a triangular number (379756 = T₈₇₁).

The spelling of 1329212 in words is "one million, three hundred twenty-nine thousand, two hundred twelve".