1319513 has 4 divisors (see below), whose sum is σ = 1421028. Its totient is φ = 1218000.

The previous prime is 1319509. The next prime is 1319543. The reversal of 1319513 is 3159131.

1319513 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3159131 = 79 ⋅39989.

It can be written as a sum of positive squares in 2 ways, for example, as 458329 + 861184 = 677^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319513 - 2² = 1319509 is a prime.

It is a super-2 number, since 2×1319513² = 3482229114338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319543) 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, 50738 + ... + 50763.

It is an arithmetic number, because the mean of its divisors is an integer number (355257).

2^1319513 is an apocalyptic number.

1319513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1319513 is a deficient number, since it is larger than the sum of its proper divisors (101515).

1319513 is a wasteful number, since it uses less digits than its factorization.

1319513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101514.

The product of its digits is 405, while the sum is 23.

The square root of 1319513 is about 1148.7005702097. The cubic root of 1319513 is about 109.6826389812.

The spelling of 1319513 in words is "one million, three hundred nineteen thousand, five hundred thirteen".