1667012 has 12 divisors (see below), whose sum is σ = 2937900. Its totient is φ = 827616.

The previous prime is 1666999. The next prime is 1667033. The reversal of 1667012 is 2107661.

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 988036 = 824^2 + 994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (244825).

2^1667012 is an apocalyptic number.

It is an amenable number.

1667012 is a deficient number, since it is larger than the sum of its proper divisors (1270888).

1667012 is a wasteful number, since it uses less digits than its factorization.

1667012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1667012 is about 1291.1281888333. The cubic root of 1667012 is about 118.5712983430.

The spelling of 1667012 in words is "one million, six hundred sixty-seven thousand, twelve".