1913712 has 20 divisors (see below), whose sum is σ = 4943880. Its totient is φ = 637888.

The previous prime is 1913701. The next prime is 1913719. The reversal of 1913712 is 2173191.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19887 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (247194).

2^1913712 is an apocalyptic number.

1913712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1913712 is an abundant number, since it is smaller than the sum of its proper divisors (3030168).

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

1913712 is a wasteful number, since it uses less digits than its factorization.

1913712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39880 (or 39874 counting only the distinct ones).

The product of its digits is 378, while the sum is 24.

The square root of 1913712 is about 1383.3697987162. The cubic root of 1913712 is about 124.1534693619.

It can be divided in two parts, 19 and 13712, that added together give a palindrome (13731).

The spelling of 1913712 in words is "one million, nine hundred thirteen thousand, seven hundred twelve".