1346539 has 2 divisors, whose sum is σ = 1346540. Its totient is φ = 1346538.

The previous prime is 1346537. The next prime is 1346567. The reversal of 1346539 is 9356431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1346539 - 2¹ = 1346537 is a prime.

Together with 1346537, it forms a pair of twin primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1346539.

It is not a weakly prime, because it can be changed into another prime (1346533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673269 + 673270.

It is an arithmetic number, because the mean of its divisors is an integer number (673270).

2^1346539 is an apocalyptic number.

1346539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346539 is an equidigital number, since it uses as much as digits as its factorization.

1346539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 1346539 is about 1160.4046707938. The cubic root of 1346539 is about 110.4264164802.

The spelling of 1346539 in words is "one million, three hundred forty-six thousand, five hundred thirty-nine".