1313401212 has 18 divisors (see below), whose sum is σ = 3319986488. Its totient is φ = 437800392.

The previous prime is 1313401207. The next prime is 1313401217. The reversal of 1313401212 is 2121043131.

1313401212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1313401207) and next prime (1313401217).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313401217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18241648 + ... + 18241719.

Almost surely, 2^1313401212 is an apocalyptic number.

1313401212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313401212 is an abundant number, since it is smaller than the sum of its proper divisors (2006585276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313401212 is a wasteful number, since it uses less digits than its factorization.

1313401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36483377 (or 36483372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1313401212 is about 36240.8776383796. The cubic root of 1313401212 is about 1095.1303228888.

Adding to 1313401212 its reverse (2121043131), we get a palindrome (3434444343).

The spelling of 1313401212 in words is "one billion, three hundred thirteen million, four hundred one thousand, two hundred twelve".