1213394 has 32 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 467712.

The previous prime is 1213379. The next prime is 1213427. The reversal of 1213394 is 4933121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10682 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1213394 is an apocalyptic number.

1213394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1213394 is a deficient number, since it is larger than the sum of its proper divisors (1084846).

1213394 is a wasteful number, since it uses less digits than its factorization.

1213394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 648, while the sum is 23.

The square root of 1213394 is about 1101.5416469657. The cubic root of 1213394 is about 106.6597630081.

The spelling of 1213394 in words is "one million, two hundred thirteen thousand, three hundred ninety-four".