7213107 has 8 divisors (see below), whose sum is σ = 10491840. Its totient is φ = 4371560.

The previous prime is 7213097. The next prime is 7213123. The reversal of 7213107 is 7013127.

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 7213107 - 2⁴ = 7213091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7213177) 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, 109257 + ... + 109322.

It is an arithmetic number, because the mean of its divisors is an integer number (1311480).

Almost surely, 2^7213107 is an apocalyptic number.

7213107 is a deficient number, since it is larger than the sum of its proper divisors (3278733).

7213107 is a wasteful number, since it uses less digits than its factorization.

7213107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218593.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 7213107 is about 2685.7228077372. The cubic root of 7213107 is about 193.2149787563.

It can be divided in two parts, 721 and 3107, that added together give a triangular number (3828 = T₈₇).

The spelling of 7213107 in words is "seven million, two hundred thirteen thousand, one hundred seven".