2159012 has 12 divisors (see below), whose sum is σ = 3796380. Its totient is φ = 1074336.

The previous prime is 2158999. The next prime is 2159023. The reversal of 2159012 is 2109512.

It can be written as a sum of positive squares in 2 ways, for example, as 1267876 + 891136 = 1126^2 + 944^2 .

It is a super-2 number, since 2×2159012² = 9322665632288, which contains 22 as substring.

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, 263 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (316365).

2^2159012 is an apocalyptic number.

It is an amenable number.

2159012 is a deficient number, since it is larger than the sum of its proper divisors (1637368).

2159012 is a wasteful number, since it uses less digits than its factorization.

2159012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2159012 is about 1469.3576827988. The cubic root of 2159012 is about 129.2463693084.

The spelling of 2159012 in words is "two million, one hundred fifty-nine thousand, twelve".