1346621 has 8 divisors (see below), whose sum is σ = 1440504. Its totient is φ = 1254400.

The previous prime is 1346603. The next prime is 1346623. The reversal of 1346621 is 1266431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 220900 + 1125721 = 470^2 + 1061^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1346621 - 2¹⁴ = 1330237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346623) 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, 1571 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (180063).

2^1346621 is an apocalyptic number.

It is an amenable number.

1346621 is a deficient number, since it is larger than the sum of its proper divisors (93883).

1346621 is a wasteful number, since it uses less digits than its factorization.

1346621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its digits is 864, while the sum is 23.

The square root of 1346621 is about 1160.4400027576. The cubic root of 1346621 is about 110.4286579754.

The spelling of 1346621 in words is "one million, three hundred forty-six thousand, six hundred twenty-one".