11765971 has 8 divisors (see below), whose sum is σ = 13546080. Its totient is φ = 10010688.

The previous prime is 11765969. The next prime is 11765981. The reversal of 11765971 is 17956711.

11765971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11765971 - 2¹ = 11765969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11765971.

It is not an unprimeable number, because it can be changed into a prime (11765911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5176 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (1693260).

Almost surely, 2^11765971 is an apocalyptic number.

11765971 is a deficient number, since it is larger than the sum of its proper divisors (1780109).

11765971 is a wasteful number, since it uses less digits than its factorization.

11765971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413.

The product of its digits is 13230, while the sum is 37.

The square root of 11765971 is about 3430.1561188960. The cubic root of 11765971 is about 227.4447541254. Note that the first 3 decimals are identical.

The spelling of 11765971 in words is "eleven million, seven hundred sixty-five thousand, nine hundred seventy-one".