11986653 has 16 divisors (see below), whose sum is σ = 18320000. Its totient is φ = 6829056.

The previous prime is 11986643. The next prime is 11986661. The reversal of 11986653 is 35668911.

It is not a de Polignac number, because 11986653 - 2¹² = 11982557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986643) 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, 8973 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (1145000).

Almost surely, 2^11986653 is an apocalyptic number.

It is an amenable number.

11986653 is a deficient number, since it is larger than the sum of its proper divisors (6333347).

11986653 is a wasteful number, since it uses less digits than its factorization.

11986653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

The product of its digits is 38880, while the sum is 39.

The square root of 11986653 is about 3462.1746056489. The cubic root of 11986653 is about 228.8579364607.

The spelling of 11986653 in words is "eleven million, nine hundred eighty-six thousand, six hundred fifty-three".