71413212 has 48 divisors (see below), whose sum is σ = 185249792. Its totient is φ = 21263040.

The previous prime is 71413201. The next prime is 71413213. The reversal of 71413212 is 21231417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71413213) 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 15 ways as a sum of consecutive naturals, for example, 2548 + ... + 12219.

Almost surely, 2^71413212 is an apocalyptic number.

It is an amenable number.

71413212 is an abundant number, since it is smaller than the sum of its proper divisors (113836580).

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

71413212 is a wasteful number, since it uses less digits than its factorization.

71413212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14818 (or 14816 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 71413212 is about 8450.6338223828. The cubic root of 71413212 is about 414.8835246747.

Adding to 71413212 its reverse (21231417), we get a palindrome (92644629).

The spelling of 71413212 in words is "seventy-one million, four hundred thirteen thousand, two hundred twelve".