1039613 has 4 divisors (see below), whose sum is σ = 1045248. Its totient is φ = 1033980.

The previous prime is 1039607. The next prime is 1039631. The reversal of 1039613 is 3169301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3169301 = 67 ⋅47303.

It is a cyclic number.

It is not a de Polignac number, because 1039613 - 2¹⁰ = 1038589 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 (1039603) 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, 2531 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (261312).

2^1039613 is an apocalyptic number.

It is an amenable number.

1039613 is a deficient number, since it is larger than the sum of its proper divisors (5635).

1039613 is an equidigital number, since it uses as much as digits as its factorization.

1039613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1039613 is about 1019.6141427030. The cubic root of 1039613 is about 101.3033717495.

The spelling of 1039613 in words is "one million, thirty-nine thousand, six hundred thirteen".