1913312 has 12 divisors (see below), whose sum is σ = 3766896. Its totient is φ = 956640.

The previous prime is 1913297. The next prime is 1913341. The reversal of 1913312 is 2133191.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29864 + ... + 29927.

It is an arithmetic number, because the mean of its divisors is an integer number (313908).

2^1913312 is an apocalyptic number.

It is an amenable number.

1913312 is a deficient number, since it is larger than the sum of its proper divisors (1853584).

1913312 is an equidigital number, since it uses as much as digits as its factorization.

1913312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59801 (or 59793 counting only the distinct ones).

The product of its digits is 162, while the sum is 20.

The square root of 1913312 is about 1383.2252166585. The cubic root of 1913312 is about 124.1448186614.

It can be divided in two parts, 19 and 13312, that added together give a palindrome (13331).

The spelling of 1913312 in words is "one million, nine hundred thirteen thousand, three hundred twelve".