1006776013 has 4 divisors (see below), whose sum is σ = 1012400640. Its totient is φ = 1001151388.

The previous prime is 1006776011. The next prime is 1006776019. The reversal of 1006776013 is 3106776001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3106776001 = 7 ⋅443825143.

It is a cyclic number.

It is not a de Polignac number, because 1006776013 - 2¹ = 1006776011 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 (1006776011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2812045 + ... + 2812402.

It is an arithmetic number, because the mean of its divisors is an integer number (253100160).

Almost surely, 2^1006776013 is an apocalyptic number.

It is an amenable number.

1006776013 is a deficient number, since it is larger than the sum of its proper divisors (5624627).

1006776013 is an equidigital number, since it uses as much as digits as its factorization.

1006776013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624626.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1006776013 is about 31729.7338942513. The cubic root of 1006776013 is about 1002.2535885237.

The spelling of 1006776013 in words is "one billion, six million, seven hundred seventy-six thousand, thirteen".