1166413 has 2 divisors, whose sum is σ = 1166414. Its totient is φ = 1166412.

The previous prime is 1166411. The next prime is 1166441. The reversal of 1166413 is 3146611.

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., 1004004 + 162409 = 1002^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166413 - 2¹ = 1166411 is a prime.

Together with 1166411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583206 + 583207.

It is an arithmetic number, because the mean of its divisors is an integer number (583207).

2^1166413 is an apocalyptic number.

It is an amenable number.

1166413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166413 is an equidigital number, since it uses as much as digits as its factorization.

1166413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 1166413 is about 1080.0060185017. The cubic root of 1166413 is about 105.2650296465.

The spelling of 1166413 in words is "one million, one hundred sixty-six thousand, four hundred thirteen".