1306229013 has 6 divisors (see below), whose sum is σ = 1886775254. Its totient is φ = 870819336.

The previous prime is 1306229003. The next prime is 1306229021. The reversal of 1306229013 is 3109226031.

1306229013 is a `hidden beast` number, since 1 + 30 + 622 + 9 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1030602609 + 275626404 = 32103^2 + 16602^2 .

It is not a de Polignac number, because 1306229013 - 2⁴ = 1306228997 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 (1306229003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72568270 + ... + 72568287.

Almost surely, 2^1306229013 is an apocalyptic number.

It is an amenable number.

1306229013 is a deficient number, since it is larger than the sum of its proper divisors (580546241).

1306229013 is a wasteful number, since it uses less digits than its factorization.

1306229013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145136563 (or 145136560 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1306229013 is about 36141.7903956071. The cubic root of 1306229013 is about 1093.1332602765.

The spelling of 1306229013 in words is "one billion, three hundred six million, two hundred twenty-nine thousand, thirteen".