1312193700 has 108 divisors (see below), whose sum is σ = 4291891968. Its totient is φ = 334699200.

The previous prime is 1312193693. The next prime is 1312193731. The reversal of 1312193700 is 73912131.

1312193700 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10996 + ... + 52395.

Almost surely, 2^1312193700 is an apocalyptic number.

1312193700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312193700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2145945984).

1312193700 is an abundant number, since it is smaller than the sum of its proper divisors (2979698268).

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

1312193700 is a wasteful number, since it uses less digits than its factorization.

1312193700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63434 (or 63424 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1312193700 is about 36224.2142771931. The cubic root of 1312193700 is about 1094.7946071258.

The spelling of 1312193700 in words is "one billion, three hundred twelve million, one hundred ninety-three thousand, seven hundred".