1340512 has 24 divisors (see below), whose sum is σ = 2665656. Its totient is φ = 663552.

The previous prime is 1340497. The next prime is 1340527. The reversal of 1340512 is 2150431.

It is an interprime number because it is at equal distance from previous prime (1340497) and next prime (1340527).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (111069).

2^1340512 is an apocalyptic number.

It is an amenable number.

1340512 is a deficient number, since it is larger than the sum of its proper divisors (1325144).

1340512 is a wasteful number, since it uses less digits than its factorization.

1340512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1340512 is about 1157.8048194752. The cubic root of 1340512 is about 110.2614168140.

Adding to 1340512 its reverse (2150431), we get a palindrome (3490943).

The spelling of 1340512 in words is "one million, three hundred forty thousand, five hundred twelve".