11956577 has 2 divisors, whose sum is σ = 11956578. Its totient is φ = 11956576.

The previous prime is 11956531. The next prime is 11956583. The reversal of 11956577 is 77565911.

11956577 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 can be written as a sum of positive squares in only one way, i.e., 9928801 + 2027776 = 3151^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 11956577 - 2¹² = 11952481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11956177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978288 + 5978289.

It is an arithmetic number, because the mean of its divisors is an integer number (5978289).

Almost surely, 2^11956577 is an apocalyptic number.

It is an amenable number.

11956577 is a deficient number, since it is larger than the sum of its proper divisors (1).

11956577 is an equidigital number, since it uses as much as digits as its factorization.

11956577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 41.

The square root of 11956577 is about 3457.8283647399. The cubic root of 11956577 is about 228.6663651574. Note that the first 3 decimals are identical.

The spelling of 11956577 in words is "eleven million, nine hundred fifty-six thousand, five hundred seventy-seven".