1312924 has 12 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 653984.

The previous prime is 1312921. The next prime is 1312931. The reversal of 1312924 is 4292131.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1312895 and 1312904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312921) by changing a digit.

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, 1104 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (192192).

2^1312924 is an apocalyptic number.

It is an amenable number.

1312924 is a deficient number, since it is larger than the sum of its proper divisors (993380).

1312924 is a wasteful number, since it uses less digits than its factorization.

1312924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1242 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 1312924 is about 1145.8289575674. The cubic root of 1312924 is about 109.4997671714.

The spelling of 1312924 in words is "one million, three hundred twelve thousand, nine hundred twenty-four".