1213708 has 12 divisors (see below), whose sum is σ = 2197440. Its totient is φ = 585872.

The previous prime is 1213673. The next prime is 1213721. The reversal of 1213708 is 8073121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (183120).

2^1213708 is an apocalyptic number.

It is an amenable number.

1213708 is a deficient number, since it is larger than the sum of its proper divisors (983732).

1213708 is a wasteful number, since it uses less digits than its factorization.

1213708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496 (or 10494 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1213708 is about 1101.6841652670. The cubic root of 1213708 is about 106.6689626242.

Adding to 1213708 its reverse (8073121), we get a palindrome (9286829).

The spelling of 1213708 in words is "one million, two hundred thirteen thousand, seven hundred eight".