1312204413 has 8 divisors (see below), whose sum is σ = 1884191008. Its totient is φ = 807510384.

The previous prime is 1312204403. The next prime is 1312204433. The reversal of 1312204413 is 3144022131.

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

It is not a de Polignac number, because 1312204413 - 2⁹ = 1312203901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312204413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312204403) 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, 16823095 + ... + 16823172.

It is an arithmetic number, because the mean of its divisors is an integer number (235523876).

Almost surely, 2^1312204413 is an apocalyptic number.

1312204413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312204413 is a deficient number, since it is larger than the sum of its proper divisors (571986595).

1312204413 is a wasteful number, since it uses less digits than its factorization.

1312204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33646283.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1312204413 is about 36224.3621475934. The cubic root of 1312204413 is about 1094.7975864884.

Adding to 1312204413 its reverse (3144022131), we get a palindrome (4456226544).

The spelling of 1312204413 in words is "one billion, three hundred twelve million, two hundred four thousand, four hundred thirteen".