1231708 has 12 divisors (see below), whose sum is σ = 2186352. Its totient is φ = 607040.

The previous prime is 1231697. The next prime is 1231709. The reversal of 1231708 is 8071321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231709) 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 3 ways as a sum of consecutive naturals, for example, 1885 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (182196).

2^1231708 is an apocalyptic number.

It is an amenable number.

1231708 is a deficient number, since it is larger than the sum of its proper divisors (954644).

1231708 is a wasteful number, since it uses less digits than its factorization.

1231708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412 (or 4410 counting only the distinct ones).

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

The square root of 1231708 is about 1109.8234093765. The cubic root of 1231708 is about 107.1936981147.

The spelling of 1231708 in words is "one million, two hundred thirty-one thousand, seven hundred eight".