7011312 has 120 divisors (see below), whose sum is σ = 23069952. Its totient is φ = 1814400.

The previous prime is 7011307. The next prime is 7011353. The reversal of 7011312 is 2131107.

It is a super-2 number, since 2×7011312² = 98316991922688, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7011291 and 7011300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25737 + ... + 26007.

Almost surely, 2^7011312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7011312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11534976).

7011312 is an abundant number, since it is smaller than the sum of its proper divisors (16058640).

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

7011312 is a wasteful number, since it uses less digits than its factorization.

7011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 294 counting only the distinct ones).

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

The square root of 7011312 is about 2647.8882151632. Note that the first 3 decimals coincide. The cubic root of 7011312 is about 191.3961060474.

Adding to 7011312 its reverse (2131107), we get a palindrome (9142419).

It can be divided in two parts, 70113 and 12, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 7011312 in words is "seven million, eleven thousand, three hundred twelve".