11621017 has 2 divisors, whose sum is σ = 11621018. Its totient is φ = 11621016.

The previous prime is 11621011. The next prime is 11621023. The reversal of 11621017 is 71012611.

It is a balanced prime because it is at equal distance from previous prime (11621011) and next prime (11621023).

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 2202256 = 3069^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621017 - 2³ = 11621009 is a prime.

It is a super-2 number, since 2×11621017² = 270096072228578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11620985 and 11621003.

It is not a weakly prime, because it can be changed into another prime (11621011) 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, 5810508 + 5810509.

It is an arithmetic number, because the mean of its divisors is an integer number (5810509).

Almost surely, 2^11621017 is an apocalyptic number.

It is an amenable number.

11621017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621017 is an equidigital number, since it uses as much as digits as its factorization.

11621017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 11621017 is about 3408.9612787475. The cubic root of 11621017 is about 226.5068700231.

Adding to 11621017 its reverse (71012611), we get a palindrome (82633628).

The spelling of 11621017 in words is "eleven million, six hundred twenty-one thousand, seventeen".