1227670013 has 2 divisors, whose sum is σ = 1227670014. Its totient is φ = 1227670012.

The previous prime is 1227669983. The next prime is 1227670019. The reversal of 1227670013 is 3100767221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016461924 + 211208089 = 31882^2 + 14533^2 .

It is an emirp because it is prime and its reverse (3100767221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1227670013 - 2²⁴ = 1210892797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227670019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613835006 + 613835007.

It is an arithmetic number, because the mean of its divisors is an integer number (613835007).

Almost surely, 2^1227670013 is an apocalyptic number.

It is an amenable number.

1227670013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227670013 is an equidigital number, since it uses as much as digits as its factorization.

1227670013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1227670013 is about 35038.1222813095. The cubic root of 1227670013 is about 1070.7642988974.

The spelling of 1227670013 in words is "one billion, two hundred twenty-seven million, six hundred seventy thousand, thirteen".