1375264 has 24 divisors (see below), whose sum is σ = 2954448. Its totient is φ = 624960.

The previous prime is 1375261. The next prime is 1375303. The reversal of 1375264 is 4625731.

It is a d-powerful number, because it can be written as 1 + 3¹¹ + 7⁷ + 5⁷ + 2⁷ + 6⁷ + 4⁷ .

It is not an unprimeable number, because it can be changed into a prime (1375261) 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, 1602 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (123102).

2^1375264 is an apocalyptic number.

It is an amenable number.

1375264 is an abundant number, since it is smaller than the sum of its proper divisors (1579184).

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

1375264 is a wasteful number, since it uses less digits than its factorization.

1375264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3920 counting only the distinct ones).

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

The square root of 1375264 is about 1172.7165045313. The cubic root of 1375264 is about 111.2061208093.

The spelling of 1375264 in words is "one million, three hundred seventy-five thousand, two hundred sixty-four".