1318541 has 12 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 1111320.

The previous prime is 1318517. The next prime is 1318549. The reversal of 1318541 is 1458131.

It is not a de Polignac number, because 1318541 - 2⁶ = 1318477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318549) 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, 3290 + ... + 3668.

It is an arithmetic number, because the mean of its divisors is an integer number (129960).

2^1318541 is an apocalyptic number.

It is an amenable number.

1318541 is a deficient number, since it is larger than the sum of its proper divisors (240979).

1318541 is an equidigital number, since it uses as much as digits as its factorization.

1318541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 457 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 1318541 is about 1148.2774055079. The cubic root of 1318541 is about 109.6557003269.

The spelling of 1318541 in words is "one million, three hundred eighteen thousand, five hundred forty-one".