11878507 has 2 divisors, whose sum is σ = 11878508. Its totient is φ = 11878506.

The previous prime is 11878501. The next prime is 11878577. The reversal of 11878507 is 70587811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11878507 is a prime.

It is not a weakly prime, because it can be changed into another prime (11878501) 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, 5939253 + 5939254.

It is an arithmetic number, because the mean of its divisors is an integer number (5939254).

Almost surely, 2^11878507 is an apocalyptic number.

11878507 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878507 is an equidigital number, since it uses as much as digits as its factorization.

11878507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 37.

The square root of 11878507 is about 3446.5209995008. The cubic root of 11878507 is about 228.1675886459.

The spelling of 11878507 in words is "eleven million, eight hundred seventy-eight thousand, five hundred seven".