1340736 has 28 divisors (see below), whose sum is σ = 3547872. Its totient is φ = 446848.

The previous prime is 1340723. The next prime is 1340743. The reversal of 1340736 is 6370431.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3300 + ... + 3683.

2^1340736 is an apocalyptic number.

1340736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1340736 is an abundant number, since it is smaller than the sum of its proper divisors (2207136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340736 is an equidigital number, since it uses as much as digits as its factorization.

1340736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1340736 is about 1157.9015502192. The cubic root of 1340736 is about 110.2675580450.

The spelling of 1340736 in words is "one million, three hundred forty thousand, seven hundred thirty-six".