11897701 has 2 divisors, whose sum is σ = 11897702. Its totient is φ = 11897700.

The previous prime is 11897687. The next prime is 11897723. The reversal of 11897701 is 10779811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 1664100 = 3199^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 11897701 - 2⁷ = 11897573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11897761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5948850 + 5948851.

It is an arithmetic number, because the mean of its divisors is an integer number (5948851).

Almost surely, 2^11897701 is an apocalyptic number.

It is an amenable number.

11897701 is a deficient number, since it is larger than the sum of its proper divisors (1).

11897701 is an equidigital number, since it uses as much as digits as its factorization.

11897701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 11897701 is about 3449.3044226336. The cubic root of 11897701 is about 228.2904181101.

The spelling of 11897701 in words is "eleven million, eight hundred ninety-seven thousand, seven hundred one".