1213386 has 8 divisors (see below), whose sum is σ = 2426784. Its totient is φ = 404460.

The previous prime is 1213379. The next prime is 1213427. The reversal of 1213386 is 6833121.

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

1213386 is an admirable 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, 101110 + ... + 101121.

It is an arithmetic number, because the mean of its divisors is an integer number (303348).

2^1213386 is an apocalyptic number.

1213386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213386 is a wasteful number, since it uses less digits than its factorization.

1213386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202236.

The product of its digits is 864, while the sum is 24.

The square root of 1213386 is about 1101.5380156853. The cubic root of 1213386 is about 106.6595286022.

The spelling of 1213386 in words is "one million, two hundred thirteen thousand, three hundred eighty-six".