1230000013 has 4 divisors (see below), whose sum is σ = 1341818208. Its totient is φ = 1118181820.

The previous prime is 1229999999. The next prime is 1230000047. The reversal of 1230000013 is 3100000321.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230000013 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 (1230000313) 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, 55909081 + ... + 55909102.

It is an arithmetic number, because the mean of its divisors is an integer number (335454552).

Almost surely, 2^1230000013 is an apocalyptic number.

It is an amenable number.

1230000013 is a deficient number, since it is larger than the sum of its proper divisors (111818195).

1230000013 is a wasteful number, since it uses less digits than its factorization.

1230000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111818194.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1230000013 is about 35071.3560188368. The cubic root of 1230000013 is about 1071.4412734655.

Adding to 1230000013 its reverse (3100000321), we get a palindrome (4330000334).

The spelling of 1230000013 in words is "one billion, two hundred thirty million, thirteen", and thus it is an aban number.