1345772 has 12 divisors (see below), whose sum is σ = 2431296. Its totient is φ = 651120.

The previous prime is 1345759. The next prime is 1345777. The reversal of 1345772 is 2775431.

It is a super-2 number, since 2×1345772² = 3622204551968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (202608).

2^1345772 is an apocalyptic number.

It is an amenable number.

1345772 is a deficient number, since it is larger than the sum of its proper divisors (1085524).

1345772 is a wasteful number, since it uses less digits than its factorization.

1345772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10888 (or 10886 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 1345772 is about 1160.0741355620. The cubic root of 1345772 is about 110.4054458911.

The spelling of 1345772 in words is "one million, three hundred forty-five thousand, seven hundred seventy-two".