1313712036 has 216 divisors, whose sum is σ = 4161917760. Its totient is φ = 342081792.

The previous prime is 1313712011. The next prime is 1313712061. The reversal of 1313712036 is 6302173131.

It is an interprime number because it is at equal distance from previous prime (1313712011) and next prime (1313712061).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4641951 + ... + 4642233.

Almost surely, 2^1313712036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313712036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080958880).

1313712036 is an abundant number, since it is smaller than the sum of its proper divisors (2848205724).

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

1313712036 is a wasteful number, since it uses less digits than its factorization.

1313712036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1313712036 is about 36245.1656914408. The cubic root of 1313712036 is about 1095.2167057183.

Adding to 1313712036 its reverse (6302173131), we get a palindrome (7615885167).

The spelling of 1313712036 in words is "one billion, three hundred thirteen million, seven hundred twelve thousand, thirty-six".