1213862 has 8 divisors (see below), whose sum is σ = 1960896. Its totient is φ = 560232.

The previous prime is 1213841. The next prime is 1213873. The reversal of 1213862 is 2683121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23318 + ... + 23369.

It is an arithmetic number, because the mean of its divisors is an integer number (245112).

2^1213862 is an apocalyptic number.

1213862 is a deficient number, since it is larger than the sum of its proper divisors (747034).

1213862 is a wasteful number, since it uses less digits than its factorization.

1213862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46702.

The product of its digits is 576, while the sum is 23.

The square root of 1213862 is about 1101.7540560397. The cubic root of 1213862 is about 106.6734739579.

Adding to 1213862 its reverse (2683121), we get a palindrome (3896983).

The spelling of 1213862 in words is "one million, two hundred thirteen thousand, eight hundred sixty-two".