712122613 has 8 divisors (see below), whose sum is σ = 729044096. Its totient is φ = 695217600.

The previous prime is 712122589. The next prime is 712122617. The reversal of 712122613 is 316221217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712122613 - 2⁵ = 712122581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712122617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153853 + ... + 158413.

It is an arithmetic number, because the mean of its divisors is an integer number (91130512).

Almost surely, 2^712122613 is an apocalyptic number.

It is an amenable number.

712122613 is a deficient number, since it is larger than the sum of its proper divisors (16921483).

712122613 is a wasteful number, since it uses less digits than its factorization.

712122613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235.

The product of its digits is 1008, while the sum is 25.

The square root of 712122613 is about 26685.6255875705. The cubic root of 712122613 is about 893.0002742076. Note that the first 3 decimals are identical.

The spelling of 712122613 in words is "seven hundred twelve million, one hundred twenty-two thousand, six hundred thirteen".