11990516 has 12 divisors (see below), whose sum is σ = 21550788. Its totient is φ = 5833152.

The previous prime is 11990509. The next prime is 11990519. The reversal of 11990516 is 61509911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11356900 + 633616 = 3370^2 + 796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40361 + ... + 40656.

It is an arithmetic number, because the mean of its divisors is an integer number (1795899).

Almost surely, 2^11990516 is an apocalyptic number.

It is an amenable number.

11990516 is a deficient number, since it is larger than the sum of its proper divisors (9560272).

11990516 is a wasteful number, since it uses less digits than its factorization.

11990516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81058 (or 81056 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 11990516 is about 3462.7324470712. The cubic root of 11990516 is about 228.8825188928.

The spelling of 11990516 in words is "eleven million, nine hundred ninety thousand, five hundred sixteen".