11673601 has 2 divisors, whose sum is σ = 11673602. Its totient is φ = 11673600.

The previous prime is 11673589. The next prime is 11673617. The reversal of 11673601 is 10637611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 1440000 = 3199^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 11673601 - 2⁹ = 11673089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11673661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5836800 + 5836801.

It is an arithmetic number, because the mean of its divisors is an integer number (5836801).

It is a Proth number, since it is equal to 1425 ⋅ 2¹³ + 1 and 1425 < 2¹³.

Almost surely, 2^11673601 is an apocalyptic number.

It is an amenable number.

11673601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11673601 is an equidigital number, since it uses as much as digits as its factorization.

11673601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11673601 is about 3416.6651869915. The cubic root of 11673601 is about 226.8479967204.

The spelling of 11673601 in words is "eleven million, six hundred seventy-three thousand, six hundred one".