1313019 has 12 divisors (see below), whose sum is σ = 1948336. Its totient is φ = 851472.

The previous prime is 1312967. The next prime is 1313041. The reversal of 1313019 is 9103131.

It is not a de Polignac number, because 1313019 - 2⁷ = 1312891 is a prime.

It is a super-2 number, since 2×1313019² = 3448037788722, which contains 22 as substring.

It is a Duffinian number.

1313019 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1312992 and 1313010.

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 11 ways as a sum of consecutive naturals, for example, 1639 + ... + 2304.

2^1313019 is an apocalyptic number.

1313019 is a deficient number, since it is larger than the sum of its proper divisors (635317).

1313019 is a wasteful number, since it uses less digits than its factorization.

1313019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1313019 is about 1145.8704115213. The cubic root of 1313019 is about 109.5024081537.

The spelling of 1313019 in words is "one million, three hundred thirteen thousand, nineteen".