712240013 has 2 divisors, whose sum is σ = 712240014. Its totient is φ = 712240012.

The previous prime is 712239991. The next prime is 712240019. The reversal of 712240013 is 310042217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636149284 + 76090729 = 25222^2 + 8723^2 .

It is a cyclic number.

It is not a de Polignac number, because 712240013 - 2²⁴ = 695462797 is a prime.

It is a super-2 number, since 2×712240013² = 1014571672236480338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712240019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356120006 + 356120007.

It is an arithmetic number, because the mean of its divisors is an integer number (356120007).

Almost surely, 2^712240013 is an apocalyptic number.

It is an amenable number.

712240013 is a deficient number, since it is larger than the sum of its proper divisors (1).

712240013 is an equidigital number, since it uses as much as digits as its factorization.

712240013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 712240013 is about 26687.8251830306. The cubic root of 712240013 is about 893.0493446297.

The spelling of 712240013 in words is "seven hundred twelve million, two hundred forty thousand, thirteen".