1163213 has 8 divisors (see below), whose sum is σ = 1213440. Its totient is φ = 1113840.

The previous prime is 1163207. The next prime is 1163221. The reversal of 1163213 is 3123611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163213 - 2⁸ = 1162957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163191 and 1163200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (151680).

2^1163213 is an apocalyptic number.

It is an amenable number.

1163213 is a deficient number, since it is larger than the sum of its proper divisors (50227).

1163213 is a wasteful number, since it uses less digits than its factorization.

1163213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 108, while the sum is 17.

The square root of 1163213 is about 1078.5235277916. The cubic root of 1163213 is about 105.1686782377.

Adding to 1163213 its reverse (3123611), we get a palindrome (4286824).

The spelling of 1163213 in words is "one million, one hundred sixty-three thousand, two hundred thirteen".