1350739 has 4 divisors (see below), whose sum is σ = 1454656. Its totient is φ = 1246824.

The previous prime is 1350731. The next prime is 1350743. The reversal of 1350739 is 9370531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9370531 = 47 ⋅199373.

It is a cyclic number.

It is not a de Polignac number, because 1350739 - 2³ = 1350731 is a prime.

It is a super-2 number, since 2×1350739² = 3648991692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51939 + ... + 51964.

It is an arithmetic number, because the mean of its divisors is an integer number (363664).

2^1350739 is an apocalyptic number.

1350739 is a deficient number, since it is larger than the sum of its proper divisors (103917).

1350739 is a wasteful number, since it uses less digits than its factorization.

1350739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103916.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1350739 is about 1162.2129753191. The cubic root of 1350739 is about 110.5411079419.

The spelling of 1350739 in words is "one million, three hundred fifty thousand, seven hundred thirty-nine".