1340518 has 16 divisors (see below), whose sum is σ = 2157840. Its totient is φ = 622336.

The previous prime is 1340497. The next prime is 1340527. The reversal of 1340518 is 8150431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (134865).

2^1340518 is an apocalyptic number.

1340518 is a deficient number, since it is larger than the sum of its proper divisors (817322).

1340518 is a wasteful number, since it uses less digits than its factorization.

1340518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1340518 is about 1157.8074105826. The cubic root of 1340518 is about 110.2615813202.

Adding to 1340518 its reverse (8150431), we get a palindrome (9490949).

The spelling of 1340518 in words is "one million, three hundred forty thousand, five hundred eighteen".