1066413 has 16 divisors (see below), whose sum is σ = 1529280. Its totient is φ = 658944.

The previous prime is 1066411. The next prime is 1066423. The reversal of 1066413 is 3146601.

It is not a de Polignac number, because 1066413 - 2¹ = 1066411 is a prime.

It is a super-2 number, since 2×1066413² = 2274473373138, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (95580).

2^1066413 is an apocalyptic number.

It is an amenable number.

1066413 is a deficient number, since it is larger than the sum of its proper divisors (462867).

1066413 is a wasteful number, since it uses less digits than its factorization.

1066413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1066413 is about 1032.6727458396. The cubic root of 1066413 is about 102.1664908787.

The spelling of 1066413 in words is "one million, sixty-six thousand, four hundred thirteen".