1013965 has 16 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 748800.

The previous prime is 1013933. The next prime is 1013993. The reversal of 1013965 is 5693101.

1013965 = T₁₁₀ + T₁₁₁ + ... + T₁₉₄.

It is not a de Polignac number, because 1013965 - 2⁵ = 1013933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6640 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1013965 is an apocalyptic number.

It is an amenable number.

1013965 is a deficient number, since it is larger than the sum of its proper divisors (299315).

1013965 is a wasteful number, since it uses less digits than its factorization.

1013965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

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

The square root of 1013965 is about 1006.9582910925. The cubic root of 1013965 is about 100.4633497541.

The spelling of 1013965 in words is "one million, thirteen thousand, nine hundred sixty-five".