1204232013 has 12 divisors (see below), whose sum is σ = 1739792028. Its totient is φ = 802661760.

The previous prime is 1204231993. The next prime is 1204232021. The reversal of 1204232013 is 3102324021.

It can be written as a sum of positive squares in 2 ways, for example, as 230979204 + 973252809 = 15198^2 + 31197^2 .

It is not a de Polignac number, because 1204232013 - 2⁵ = 1204231981 is a prime.

It is a super-2 number, since 2×1204232013² = 2900349482268064338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204232023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50703 + ... + 70563.

It is an arithmetic number, because the mean of its divisors is an integer number (144982669).

Almost surely, 2^1204232013 is an apocalyptic number.

It is an amenable number.

1204232013 is a deficient number, since it is larger than the sum of its proper divisors (535560015).

1204232013 is a wasteful number, since it uses less digits than its factorization.

1204232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26604 (or 26601 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1204232013 is about 34702.0462364974. The cubic root of 1204232013 is about 1063.9063215454.

Adding to 1204232013 its reverse (3102324021), we get a palindrome (4306556034).

The spelling of 1204232013 in words is "one billion, two hundred four million, two hundred thirty-two thousand, thirteen".