8013445 has 16 divisors (see below), whose sum is σ = 10545408. Its totient is φ = 5797440.

The previous prime is 8013433. The next prime is 8013449. The reversal of 8013445 is 5443108.

It is not a de Polignac number, because 8013445 - 2¹¹ = 8011397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013449) 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, 19987 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (659088).

Almost surely, 2^8013445 is an apocalyptic number.

It is an amenable number.

8013445 is a deficient number, since it is larger than the sum of its proper divisors (2531963).

8013445 is a wasteful number, since it uses less digits than its factorization.

8013445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8013445 is about 2830.8028896410. The cubic root of 8013445 is about 200.1119789585. Note that the first 3 decimals are identical.

It can be divided in two parts, 8013 and 445, that multiplied together give a triangular number (3565785 = T₂₆₇₀).

The spelling of 8013445 in words is "eight million, thirteen thousand, four hundred forty-five".