11952769 has 2 divisors, whose sum is σ = 11952770. Its totient is φ = 11952768.

The previous prime is 11952761. The next prime is 11952781. The reversal of 11952769 is 96725911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6822544 + 5130225 = 2612^2 + 2265^2 .

It is an emirp because it is prime and its reverse (96725911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11952769 - 2³ = 11952761 is a prime.

It is a super-2 number, since 2×11952769² = 285737373534722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11952761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976384 + 5976385.

It is an arithmetic number, because the mean of its divisors is an integer number (5976385).

Almost surely, 2^11952769 is an apocalyptic number.

It is an amenable number.

11952769 is a deficient number, since it is larger than the sum of its proper divisors (1).

11952769 is an equidigital number, since it uses as much as digits as its factorization.

11952769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 40.

The square root of 11952769 is about 3457.2776862728. The cubic root of 11952769 is about 228.6420869163.

It can be divided in two parts, 11952 and 769, that added together give a palindrome (12721).

The spelling of 11952769 in words is "eleven million, nine hundred fifty-two thousand, seven hundred sixty-nine".