1312012 has 24 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 578688.

The previous prime is 1312001. The next prime is 1312019. The reversal of 1312012 is 2102131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312012.

It is not an unprimeable number, because it can be changed into a prime (1312019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648 + ... + 1744.

It is an arithmetic number, because the mean of its divisors is an integer number (107604).

2^1312012 is an apocalyptic number.

It is an amenable number.

1312012 is a deficient number, since it is larger than the sum of its proper divisors (1270484).

1312012 is a wasteful number, since it uses less digits than its factorization.

1312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1312012 is about 1145.4309232773. The cubic root of 1312012 is about 109.4744072574.

Adding to 1312012 its reverse (2102131), we get a palindrome (3414143).

The spelling of 1312012 in words is "one million, three hundred twelve thousand, twelve".