2015012 has 6 divisors (see below), whose sum is σ = 3526278. Its totient is φ = 1007504.

The previous prime is 2015011. The next prime is 2015021. The reversal of 2015012 is 2105102.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 417316 = 1264^2 + 646^2 .

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2014984 and 2015002.

It is not an unprimeable number, because it can be changed into a prime (2015011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251873 + ... + 251880.

It is an arithmetic number, because the mean of its divisors is an integer number (587713).

2^2015012 is an apocalyptic number.

It is an amenable number.

2015012 is a deficient number, since it is larger than the sum of its proper divisors (1511266).

2015012 is a wasteful number, since it uses less digits than its factorization.

2015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503757 (or 503755 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2015012 is about 1419.5111834713. The cubic root of 2015012 is about 126.3065517976.

The spelling of 2015012 in words is "two million, fifteen thousand, twelve".