1913065 has 16 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 1192320.

The previous prime is 1913063. The next prime is 1913069. The reversal of 1913065 is 5603191.

It is not a de Polignac number, because 1913065 - 2¹ = 1913063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1913063) 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 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

2^1913065 is an apocalyptic number.

It is an amenable number.

1913065 is a deficient number, since it is larger than the sum of its proper divisors (949655).

1913065 is a wasteful number, since it uses less digits than its factorization.

1913065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1913065 is about 1383.1359296902. The cubic root of 1913065 is about 124.1394762517.

The spelling of 1913065 in words is "one million, nine hundred thirteen thousand, sixty-five".