1351648 has 12 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 675808.

The previous prime is 1351639. The next prime is 1351663. The reversal of 1351648 is 8461531.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21088 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^1351648 is an apocalyptic number.

It is an amenable number.

1351648 is a deficient number, since it is larger than the sum of its proper divisors (1309472).

1351648 is an equidigital number, since it uses as much as digits as its factorization.

1351648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42249 (or 42241 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1351648 is about 1162.6039738449. The cubic root of 1351648 is about 110.5658991451.

It can be divided in two parts, 1 and 351648, that added together give a square (351649 = 593²).

The spelling of 1351648 in words is "one million, three hundred fifty-one thousand, six hundred forty-eight".