1350621 has 8 divisors (see below), whose sum is σ = 2000960. Its totient is φ = 900396.

The previous prime is 1350607. The next prime is 1350623. The reversal of 1350621 is 1260531.

It is not a de Polignac number, because 1350621 - 2¹¹ = 1348573 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1350594 and 1350603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24985 + ... + 25038.

It is an arithmetic number, because the mean of its divisors is an integer number (250120).

2^1350621 is an apocalyptic number.

It is an amenable number.

1350621 is a deficient number, since it is larger than the sum of its proper divisors (650339).

1350621 is an equidigital number, since it uses as much as digits as its factorization.

1350621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032 (or 50026 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1350621 is about 1162.1622089881. The cubic root of 1350621 is about 110.5378889063.

The spelling of 1350621 in words is "one million, three hundred fifty thousand, six hundred twenty-one".