1306216 has 32 divisors (see below), whose sum is σ = 2649600. Its totient is φ = 601920.

The previous prime is 1306213. The next prime is 1306223. The reversal of 1306216 is 6126031.

It is a junction number, because it is equal to n+sod(n) for n = 1306193 and 1306202.

It is not an unprimeable number, because it can be changed into a prime (1306213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2^1306216 is an apocalyptic number.

It is an amenable number.

1306216 is an abundant number, since it is smaller than the sum of its proper divisors (1343384).

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

1306216 is a wasteful number, since it uses less digits than its factorization.

1306216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1306216 is about 1142.8980706957. The cubic root of 1306216 is about 109.3129630237.

The spelling of 1306216 in words is "one million, three hundred six thousand, two hundred sixteen".