1282623 has 4 divisors (see below), whose sum is σ = 1710168. Its totient is φ = 855080.

The previous prime is 1282613. The next prime is 1282627. The reversal of 1282623 is 3262821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1282623 - 2⁴ = 1282607 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1282593 and 1282602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213768 + ... + 213773.

It is an arithmetic number, because the mean of its divisors is an integer number (427542).

2^1282623 is an apocalyptic number.

1282623 is a deficient number, since it is larger than the sum of its proper divisors (427545).

1282623 is an equidigital number, since it uses as much as digits as its factorization.

1282623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427544.

The product of its digits is 1152, while the sum is 24.

The square root of 1282623 is about 1132.5294698152. The cubic root of 1282623 is about 108.6508198671.

The spelling of 1282623 in words is "one million, two hundred eighty-two thousand, six hundred twenty-three".