7213896 has 24 divisors (see below), whose sum is σ = 19537830. Its totient is φ = 2404608.

The previous prime is 7213861. The next prime is 7213897. The reversal of 7213896 is 6983127.

It can be written as a sum of positive squares in only one way, i.e., 5225796 + 1988100 = 2286^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7213896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50025 + ... + 50168.

Almost surely, 2^7213896 is an apocalyptic number.

It is an amenable number.

7213896 is an abundant number, since it is smaller than the sum of its proper divisors (12323934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7213896 is a wasteful number, since it uses less digits than its factorization.

7213896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100205 (or 100198 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7213896 is about 2685.8696915524. The cubic root of 7213896 is about 193.2220233886. Note that the first 3 decimals are identical.

The spelling of 7213896 in words is "seven million, two hundred thirteen thousand, eight hundred ninety-six".