1313039 has 16 divisors (see below), whose sum is σ = 1655808. Its totient is φ = 1013472.

The previous prime is 1312967. The next prime is 1313041. The reversal of 1313039 is 9303131.

It is a cyclic number.

It is not a de Polignac number, because 1313039 - 2¹² = 1308943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (103488).

2^1313039 is an apocalyptic number.

1313039 is a deficient number, since it is larger than the sum of its proper divisors (342769).

1313039 is a wasteful number, since it uses less digits than its factorization.

1313039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1313039 is about 1145.8791384784. The cubic root of 1313039 is about 109.5029641337.

The spelling of 1313039 in words is "one million, three hundred thirteen thousand, thirty-nine".