1247030013 has 8 divisors (see below), whose sum is σ = 1686125376. Its totient is φ = 819644000.

The previous prime is 1247030011. The next prime is 1247030093. The reversal of 1247030013 is 3100307421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1247030013 - 2¹ = 1247030011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247030011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927088 + ... + 2927513.

It is an arithmetic number, because the mean of its divisors is an integer number (210765672).

Almost surely, 2^1247030013 is an apocalyptic number.

It is an amenable number.

1247030013 is a deficient number, since it is larger than the sum of its proper divisors (439095363).

1247030013 is an equidigital number, since it uses as much as digits as its factorization.

1247030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854675.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1247030013 is about 35313.3121216348. The cubic root of 1247030013 is about 1076.3635160260.

Adding to 1247030013 its reverse (3100307421), we get a palindrome (4347337434).

The spelling of 1247030013 in words is "one billion, two hundred forty-seven million, thirty thousand, thirteen".