7138212 has 24 divisors (see below), whose sum is σ = 16699200. Its totient is φ = 2373216.

The previous prime is 7138207. The next prime is 7138217. The reversal of 7138212 is 2128317.

It is an interprime number because it is at equal distance from previous prime (7138207) and next prime (7138217).

It is not an unprimeable number, because it can be changed into a prime (7138217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8089 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (695800).

Almost surely, 2^7138212 is an apocalyptic number.

It is an amenable number.

7138212 is an abundant number, since it is smaller than the sum of its proper divisors (9560988).

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

7138212 is a wasteful number, since it uses less digits than its factorization.

7138212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1553 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 7138212 is about 2671.7432511377. The cubic root of 7138212 is about 192.5439220629.

It can be divided in two parts, 71 and 38212, that added together give a palindrome (38283).

The spelling of 7138212 in words is "seven million, one hundred thirty-eight thousand, two hundred twelve".