11878747 has 2 divisors, whose sum is σ = 11878748. Its totient is φ = 11878746.

The previous prime is 11878729. The next prime is 11878753. The reversal of 11878747 is 74787811.

It is a happy number.

11878747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11878747 - 2²³ = 3490139 is a prime.

It is a super-2 number, since 2×11878747² = 282209260580018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11878247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939373 + 5939374.

It is an arithmetic number, because the mean of its divisors is an integer number (5939374).

Almost surely, 2^11878747 is an apocalyptic number.

11878747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878747 is an equidigital number, since it uses as much as digits as its factorization.

11878747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 43.

The square root of 11878747 is about 3446.5558170440. Note that the first 3 decimals coincide. The cubic root of 11878747 is about 228.1691253107.

The spelling of 11878747 in words is "eleven million, eight hundred seventy-eight thousand, seven hundred forty-seven".