1345724 has 12 divisors (see below), whose sum is σ = 2379048. Its totient is φ = 666000.

The previous prime is 1345711. The next prime is 1345733. The reversal of 1345724 is 4275431.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1345693 and 1345702.

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, 1262 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (198254).

2^1345724 is an apocalyptic number.

It is an amenable number.

1345724 is a deficient number, since it is larger than the sum of its proper divisors (1033324).

1345724 is a wasteful number, since it uses less digits than its factorization.

1345724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3434 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 1345724 is about 1160.0534470446. The cubic root of 1345724 is about 110.4041332556.

The spelling of 1345724 in words is "one million, three hundred forty-five thousand, seven hundred twenty-four".