1147392013 has 2 divisors, whose sum is σ = 1147392014. Its totient is φ = 1147392012.

The previous prime is 1147391983. The next prime is 1147392019. The reversal of 1147392013 is 3102937411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121044324 + 26347689 = 33482^2 + 5133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147392013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147392019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573696006 + 573696007.

It is an arithmetic number, because the mean of its divisors is an integer number (573696007).

Almost surely, 2^1147392013 is an apocalyptic number.

It is an amenable number.

1147392013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147392013 is an equidigital number, since it uses as much as digits as its factorization.

1147392013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1147392013 is about 33873.1754194968. The cubic root of 1147392013 is about 1046.8969651030.

The spelling of 1147392013 in words is "one billion, one hundred forty-seven million, three hundred ninety-two thousand, thirteen".