1213302413 has 8 divisors (see below), whose sum is σ = 1236310008. Its totient is φ = 1190467584.

The previous prime is 1213302407. The next prime is 1213302421. The reversal of 1213302413 is 3142033121.

It can be written as a sum of positive squares in 4 ways, for example, as 10738729 + 1202563684 = 3277^2 + 34678^2 .

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 1213302413 - 2⁸ = 1213302157 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 (1213302473) 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, 28970 + ... + 57147.

It is an arithmetic number, because the mean of its divisors is an integer number (154538751).

Almost surely, 2^1213302413 is an apocalyptic number.

It is an amenable number.

1213302413 is a deficient number, since it is larger than the sum of its proper divisors (23007595).

1213302413 is an equidigital number, since it uses as much as digits as its factorization.

1213302413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86383.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1213302413 is about 34832.4907665243. The cubic root of 1213302413 is about 1066.5707938028.

Adding to 1213302413 its reverse (3142033121), we get a palindrome (4355335534).

The spelling of 1213302413 in words is "one billion, two hundred thirteen million, three hundred two thousand, four hundred thirteen".