1215016 has 16 divisors (see below), whose sum is σ = 2485440. Its totient is φ = 552240.

The previous prime is 1214981. The next prime is 1215017. The reversal of 1215016 is 6105121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1215017) 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, 6816 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (155340).

2^1215016 is an apocalyptic number.

It is an amenable number.

1215016 is an abundant number, since it is smaller than the sum of its proper divisors (1270424).

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

1215016 is a wasteful number, since it uses less digits than its factorization.

1215016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824 (or 13820 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1215016 is about 1102.2776419759. The cubic root of 1215016 is about 106.7072675301.

The spelling of 1215016 in words is "one million, two hundred fifteen thousand, sixteen".