11980807 has 2 divisors, whose sum is σ = 11980808. Its totient is φ = 11980806.

The previous prime is 11980783. The next prime is 11980819. The reversal of 11980807 is 70808911.

It is a strong prime.

It is an emirp because it is prime and its reverse (70808911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11980807 - 2⁷ = 11980679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11980847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990403 + 5990404.

It is an arithmetic number, because the mean of its divisors is an integer number (5990404).

Almost surely, 2^11980807 is an apocalyptic number.

11980807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980807 is an equidigital number, since it uses as much as digits as its factorization.

11980807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 11980807 is about 3461.3302356175. The cubic root of 11980807 is about 228.8207250429.

It can be divided in two parts, 1198080 and 7, that multiplied together give a triangular number (8386560 = T₄₀₉₅).

The spelling of 11980807 in words is "eleven million, nine hundred eighty thousand, eight hundred seven".