11994515 has 16 divisors (see below), whose sum is σ = 15633408. Its totient is φ = 8781696.

The previous prime is 11994497. The next prime is 11994517. The reversal of 11994515 is 51549911.

11994515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11994515 - 2¹⁰ = 11993491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11994517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7529 + ... + 8981.

It is an arithmetic number, because the mean of its divisors is an integer number (977088).

Almost surely, 2^11994515 is an apocalyptic number.

11994515 is a deficient number, since it is larger than the sum of its proper divisors (3638893).

11994515 is a wasteful number, since it uses less digits than its factorization.

11994515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its digits is 8100, while the sum is 35.

The square root of 11994515 is about 3463.3098330932. The cubic root of 11994515 is about 228.9079612079.

The spelling of 11994515 in words is "eleven million, nine hundred ninety-four thousand, five hundred fifteen".