1216341 has 24 divisors (see below), whose sum is σ = 2059200. Its totient is φ = 677376.

The previous prime is 1216339. The next prime is 1216349. The reversal of 1216341 is 1436121.

It is a happy number.

It is not a de Polignac number, because 1216341 - 2¹ = 1216339 is a prime.

It is an alternating number because its digits alternate between odd and even.

1216341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216349) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2485 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (85800).

2^1216341 is an apocalyptic number.

It is an amenable number.

1216341 is a deficient number, since it is larger than the sum of its proper divisors (842859).

1216341 is a wasteful number, since it uses less digits than its factorization.

1216341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1216341 is about 1102.8785064548. The cubic root of 1216341 is about 106.7460422638.

The spelling of 1216341 in words is "one million, two hundred sixteen thousand, three hundred forty-one".