1345072 has 10 divisors (see below), whose sum is σ = 2606108. Its totient is φ = 672528.

The previous prime is 1345051. The next prime is 1345079. The reversal of 1345072 is 2705431.

It is not an unprimeable number, because it can be changed into a prime (1345079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42018 + ... + 42049.

2^1345072 is an apocalyptic number.

It is an amenable number.

1345072 is a deficient number, since it is larger than the sum of its proper divisors (1261036).

1345072 is an equidigital number, since it uses as much as digits as its factorization.

1345072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84075 (or 84069 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1345072 is about 1159.7723914631. The cubic root of 1345072 is about 110.3863001974.

The spelling of 1345072 in words is "one million, three hundred forty-five thousand, seventy-two".