11651797 has 2 divisors, whose sum is σ = 11651798. Its totient is φ = 11651796.

The previous prime is 11651771. The next prime is 11651819. The reversal of 11651797 is 79715611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 98596 = 3399^2 + 314^2 .

It is an emirp because it is prime and its reverse (79715611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11651797 - 2²³ = 3263189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11651747) 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, 5825898 + 5825899.

It is an arithmetic number, because the mean of its divisors is an integer number (5825899).

Almost surely, 2^11651797 is an apocalyptic number.

It is an amenable number.

11651797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651797 is an equidigital number, since it uses as much as digits as its factorization.

11651797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 37.

The square root of 11651797 is about 3413.4728649866. The cubic root of 11651797 is about 226.7066728213.

The spelling of 11651797 in words is "eleven million, six hundred fifty-one thousand, seven hundred ninety-seven".