1171213 has 8 divisors (see below), whose sum is σ = 1205568. Its totient is φ = 1137504.

The previous prime is 1171207. The next prime is 1171231. The reversal of 1171213 is 3121711.

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 1171213 - 2¹⁷ = 1040141 is a prime.

It is a Duffinian number.

1171213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171243) 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, 8481 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (150696).

2^1171213 is an apocalyptic number.

It is an amenable number.

1171213 is a deficient number, since it is larger than the sum of its proper divisors (34355).

1171213 is a wasteful number, since it uses less digits than its factorization.

1171213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 42, while the sum is 16.

The square root of 1171213 is about 1082.2259468337. The cubic root of 1171213 is about 105.4092268926.

Adding to 1171213 its reverse (3121711), we get a palindrome (4292924).

The spelling of 1171213 in words is "one million, one hundred seventy-one thousand, two hundred thirteen".