1345672 has 16 divisors (see below), whose sum is σ = 2566800. Its totient is φ = 661200.

The previous prime is 1345667. The next prime is 1345691. The reversal of 1345672 is 2765431.

It is a d-powerful number, because it can be written as 1 + 3⁸ + 4¹⁰ + 5 + 6⁷ + 7⁴ + 2¹³ .

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1345672.

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, 954 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (160425).

2^1345672 is an apocalyptic number.

It is an amenable number.

1345672 is a deficient number, since it is larger than the sum of its proper divisors (1221128).

1345672 is a wasteful number, since it uses less digits than its factorization.

1345672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2912 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 1345672 is about 1160.0310340676. The cubic root of 1345672 is about 110.4027111986.

It can be divided in two parts, 1345 and 672, that multiplied together give a triangular number (903840 = T₁₃₄₄).

The spelling of 1345672 in words is "one million, three hundred forty-five thousand, six hundred seventy-two".