1315047 has 8 divisors (see below), whose sum is σ = 1845760. Its totient is φ = 830520.

The previous prime is 1315037. The next prime is 1315049. The reversal of 1315047 is 7405131.

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

It is not a de Polignac number, because 1315047 - 2¹⁰ = 1314023 is a prime.

It is a super-2 number, since 2×1315047² = 3458697224418, which contains 22 as substring.

It is a Duffinian number.

1315047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11479 + ... + 11592.

It is an arithmetic number, because the mean of its divisors is an integer number (230720).

2^1315047 is an apocalyptic number.

1315047 is a deficient number, since it is larger than the sum of its proper divisors (530713).

1315047 is a wasteful number, since it uses less digits than its factorization.

1315047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23093.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1315047 is about 1146.7549869087. The cubic root of 1315047 is about 109.5587558151.

The spelling of 1315047 in words is "one million, three hundred fifteen thousand, forty-seven".