1313622612 has 36 divisors (see below), whose sum is σ = 3324289696. Its totient is φ = 437380560.

The previous prime is 1313622577. The next prime is 1313622641. The reversal of 1313622612 is 2162263131.

1313622612 is a `hidden beast` number, since 1 + 31 + 3 + 622 + 6 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12537 + ... + 52767.

Almost surely, 2^1313622612 is an apocalyptic number.

1313622612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313622612 is an abundant number, since it is smaller than the sum of its proper divisors (2010667084).

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

1313622612 is a wasteful number, since it uses less digits than its factorization.

1313622612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41148 (or 41143 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1313622612 is about 36243.9320714516. The cubic root of 1313622612 is about 1095.1918547925.

Adding to 1313622612 its reverse (2162263131), we get a palindrome (3475885743).

The spelling of 1313622612 in words is "one billion, three hundred thirteen million, six hundred twenty-two thousand, six hundred twelve".