7061312 has 28 divisors (see below), whose sum is σ = 14752320. Its totient is φ = 3344256.

The previous prime is 7061311. The next prime is 7061333. The reversal of 7061312 is 2131607.

It is a happy number.

It is a super-2 number, since 2×7061312² = 99724254322688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061311) 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 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 4119.

Almost surely, 2^7061312 is an apocalyptic number.

It is an amenable number.

7061312 is an abundant number, since it is smaller than the sum of its proper divisors (7691008).

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

7061312 is a wasteful number, since it uses less digits than its factorization.

7061312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5828 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7061312 is about 2657.3129285050. The cubic root of 7061312 is about 191.8499985815.

Adding to 7061312 its reverse (2131607), we get a palindrome (9192919).

The spelling of 7061312 in words is "seven million, sixty-one thousand, three hundred twelve".