1332739 has 2 divisors, whose sum is σ = 1332740. Its totient is φ = 1332738.

The previous prime is 1332733. The next prime is 1332757. The reversal of 1332739 is 9372331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9372331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1332739 - 2¹¹ = 1330691 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1332733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666369 + 666370.

It is an arithmetic number, because the mean of its divisors is an integer number (666370).

2^1332739 is an apocalyptic number.

1332739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332739 is an equidigital number, since it uses as much as digits as its factorization.

1332739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 28.

The square root of 1332739 is about 1154.4431558115. The cubic root of 1332739 is about 110.0478854874.

It can be divided in two parts, 13327 and 39, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 1332739 in words is "one million, three hundred thirty-two thousand, seven hundred thirty-nine".