1345736 has 24 divisors (see below), whose sum is σ = 2936070. Its totient is φ = 576576.

The previous prime is 1345733. The next prime is 1345759. The reversal of 1345736 is 6375431.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 122500 = 1106^2 + 350^2 .

It is a super-2 number, since 2×1345736² = 3622010763392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345699 and 1345708.

It is not an unprimeable number, because it can be changed into a prime (1345733) 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 in 5 ways as a sum of consecutive naturals, for example, 1325 + ... + 2108.

2^1345736 is an apocalyptic number.

It is an amenable number.

1345736 is an abundant number, since it is smaller than the sum of its proper divisors (1590334).

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

1345736 is a wasteful number, since it uses less digits than its factorization.

1345736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453 (or 3442 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 1345736 is about 1160.0586192085. The cubic root of 1345736 is about 110.4044614174.

The spelling of 1345736 in words is "one million, three hundred forty-five thousand, seven hundred thirty-six".