1165413 has 4 divisors (see below), whose sum is σ = 1553888. Its totient is φ = 776940.

The previous prime is 1165399. The next prime is 1165421. The reversal of 1165413 is 3145611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1165413 - 2⁴ = 1165397 is a prime.

It is a D-number.

It is a Duffinian number.

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 1165413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194233 + ... + 194238.

It is an arithmetic number, because the mean of its divisors is an integer number (388472).

2^1165413 is an apocalyptic number.

It is an amenable number.

1165413 is a deficient number, since it is larger than the sum of its proper divisors (388475).

1165413 is an equidigital number, since it uses as much as digits as its factorization.

1165413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388474.

The product of its digits is 360, while the sum is 21.

The square root of 1165413 is about 1079.5429588488. The cubic root of 1165413 is about 105.2349387821.

The spelling of 1165413 in words is "one million, one hundred sixty-five thousand, four hundred thirteen".