1336621 has 12 divisors (see below), whose sum is σ = 1581120. Its totient is φ = 1120080.

The previous prime is 1336619. The next prime is 1336637. The reversal of 1336621 is 1266331.

It is not a de Polignac number, because 1336621 - 2¹ = 1336619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1336592 and 1336601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^1336621 is an apocalyptic number.

1336621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1336621 is a deficient number, since it is larger than the sum of its proper divisors (244499).

1336621 is a wasteful number, since it uses less digits than its factorization.

1336621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 743 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 1336621 is about 1156.1232633245. The cubic root of 1336621 is about 110.1546310125.

The spelling of 1336621 in words is "one million, three hundred thirty-six thousand, six hundred twenty-one".