1288473 has 8 divisors (see below), whose sum is σ = 1724736. Its totient is φ = 855600.

The previous prime is 1288439. The next prime is 1288487. The reversal of 1288473 is 3748821.

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

It is not a de Polignac number, because 1288473 - 2⁹ = 1287961 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1288423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (215592).

2^1288473 is an apocalyptic number.

It is an amenable number.

1288473 is a deficient number, since it is larger than the sum of its proper divisors (436263).

1288473 is a wasteful number, since it uses less digits than its factorization.

1288473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its digits is 10752, while the sum is 33.

The square root of 1288473 is about 1135.1092458438. The cubic root of 1288473 is about 108.8157536030.

Subtracting from 1288473 its product of digits (10752), we obtain a palindrome (1277721).

The spelling of 1288473 in words is "one million, two hundred eighty-eight thousand, four hundred seventy-three".