7021113 has 16 divisors (see below), whose sum is σ = 10293696. Its totient is φ = 4221440.

The previous prime is 7021111. The next prime is 7021117. The reversal of 7021113 is 3111207.

It is a cyclic number.

It is not a de Polignac number, because 7021113 - 2¹ = 7021111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7021092 and 7021101.

It is not an unprimeable number, because it can be changed into a prime (7021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (643356).

Almost surely, 2^7021113 is an apocalyptic number.

It is an amenable number.

7021113 is a deficient number, since it is larger than the sum of its proper divisors (3272583).

7021113 is a wasteful number, since it uses less digits than its factorization.

7021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

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

The square root of 7021113 is about 2649.7382889636. The cubic root of 7021113 is about 191.4852477007.

The spelling of 7021113 in words is "seven million, twenty-one thousand, one hundred thirteen".