11782069 has 4 divisors (see below), whose sum is σ = 12688396. Its totient is φ = 10875744.

The previous prime is 11782039. The next prime is 11782073. The reversal of 11782069 is 96028711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96028711 = 6917 ⋅13883.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 3659569 = 2850^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 11782069 - 2⁷ = 11781941 is a prime.

It is a super-2 number, since 2×11782069² = 277634299841522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782019) 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, 453144 + ... + 453169.

It is an arithmetic number, because the mean of its divisors is an integer number (3172099).

Almost surely, 2^11782069 is an apocalyptic number.

It is an amenable number.

11782069 is a deficient number, since it is larger than the sum of its proper divisors (906327).

11782069 is an equidigital number, since it uses as much as digits as its factorization.

11782069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906326.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11782069 is about 3432.5018572464. The cubic root of 11782069 is about 227.5484355271.

The spelling of 11782069 in words is "eleven million, seven hundred eighty-two thousand, sixty-nine".