1283613 has 8 divisors (see below), whose sum is σ = 1718208. Its totient is φ = 852384.

The previous prime is 1283603. The next prime is 1283677. The reversal of 1283613 is 3163821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1283613 - 2⁶ = 1283549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283603) 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 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (214776).

2^1283613 is an apocalyptic number.

It is an amenable number.

1283613 is a deficient number, since it is larger than the sum of its proper divisors (434595).

1283613 is a wasteful number, since it uses less digits than its factorization.

1283613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 864, while the sum is 24.

The square root of 1283613 is about 1132.9664602273. The cubic root of 1283613 is about 108.6787669331.

It can be divided in two parts, 128 and 3613, that added together give a triangular number (3741 = T₈₆).

The spelling of 1283613 in words is "one million, two hundred eighty-three thousand, six hundred thirteen".