1317012 has 12 divisors (see below), whose sum is σ = 3073056. Its totient is φ = 439000.

The previous prime is 1316999. The next prime is 1317013. The reversal of 1317012 is 2107131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1316982 and 1317000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317013) 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, 54864 + ... + 54887.

It is an arithmetic number, because the mean of its divisors is an integer number (256088).

2^1317012 is an apocalyptic number.

1317012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317012 is an abundant number, since it is smaller than the sum of its proper divisors (1756044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317012 is a wasteful number, since it uses less digits than its factorization.

1317012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109758 (or 109756 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1317012 is about 1147.6114324980. The cubic root of 1317012 is about 109.6132977987.

The spelling of 1317012 in words is "one million, three hundred seventeen thousand, twelve".