1071913 has 4 divisors (see below), whose sum is σ = 1082628. Its totient is φ = 1061200.

The previous prime is 1071911. The next prime is 1071919. The reversal of 1071913 is 3191701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3191701 = 101 ⋅31601.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 15129 = 1028^2 + 123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071913 - 2¹ = 1071911 is a prime.

It is a super-2 number, since 2×1071913² = 2297994959138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071911) 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, 5206 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (270657).

2^1071913 is an apocalyptic number.

It is an amenable number.

1071913 is a deficient number, since it is larger than the sum of its proper divisors (10715).

1071913 is a wasteful number, since it uses less digits than its factorization.

1071913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1071913 is about 1035.3323138007. The cubic root of 1071913 is about 102.3418302128.

The spelling of 1071913 in words is "one million, seventy-one thousand, nine hundred thirteen".