11687012 has 6 divisors (see below), whose sum is σ = 20452278. Its totient is φ = 5843504.

The previous prime is 11686999. The next prime is 11687057. The reversal of 11687012 is 21078611.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 17956 = 3416^2 + 134^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460873 + ... + 1460880.

It is an arithmetic number, because the mean of its divisors is an integer number (3408713).

Almost surely, 2^11687012 is an apocalyptic number.

It is an amenable number.

11687012 is a deficient number, since it is larger than the sum of its proper divisors (8765266).

11687012 is a wasteful number, since it uses less digits than its factorization.

11687012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921757 (or 2921755 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 11687012 is about 3418.6272098607. The cubic root of 11687012 is about 226.9348335131.

The spelling of 11687012 in words is "eleven million, six hundred eighty-seven thousand, twelve".