1071213 has 24 divisors (see below), whose sum is σ = 1698144. Its totient is φ = 596640.

The previous prime is 1071197. The next prime is 1071223. The reversal of 1071213 is 3121701.

It is not a de Polignac number, because 1071213 - 2⁴ = 1071197 is a prime.

It is a super-2 number, since 2×1071213² = 2294994582738, which contains 22 as substring.

1071213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1071192 and 1071201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4606 + ... + 4832.

It is an arithmetic number, because the mean of its divisors is an integer number (70756).

2^1071213 is an apocalyptic number.

1071213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1071213 is a deficient number, since it is larger than the sum of its proper divisors (626931).

1071213 is a wasteful number, since it uses less digits than its factorization.

1071213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1071213 is about 1034.9942028823. The cubic root of 1071213 is about 102.3195476578.

Adding to 1071213 its reverse (3121701), we get a palindrome (4192914).

The spelling of 1071213 in words is "one million, seventy-one thousand, two hundred thirteen".