1513263 has 8 divisors (see below), whose sum is σ = 2072368. Its totient is φ = 981504.

The previous prime is 1513229. The next prime is 1513271. The reversal of 1513263 is 3623151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1513263 - 2⁶ = 1513199 is a prime.

It is a Duffinian number.

1513263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6706 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (259046).

2^1513263 is an apocalyptic number.

1513263 is a deficient number, since it is larger than the sum of its proper divisors (559105).

1513263 is a wasteful number, since it uses less digits than its factorization.

1513263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673.

The product of its digits is 540, while the sum is 21.

The square root of 1513263 is about 1230.1475521254. The cubic root of 1513263 is about 114.8078201684.

The spelling of 1513263 in words is "one million, five hundred thirteen thousand, two hundred sixty-three".