1376345 has 4 divisors (see below), whose sum is σ = 1651620. Its totient is φ = 1101072.

The previous prime is 1376339. The next prime is 1376359. The reversal of 1376345 is 5436731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 537289 = 916^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376345 - 2¹⁶ = 1310809 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁹ + 7⁷ + 6⁴ + 3¹² + 4⁴ + 5³ .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 137630 + ... + 137639.

It is an arithmetic number, because the mean of its divisors is an integer number (412905).

2^1376345 is an apocalyptic number.

It is an amenable number.

1376345 is a deficient number, since it is larger than the sum of its proper divisors (275275).

1376345 is an equidigital number, since it uses as much as digits as its factorization.

1376345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275274.

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

The square root of 1376345 is about 1173.1773097022. The cubic root of 1376345 is about 111.2352503275.

The spelling of 1376345 in words is "one million, three hundred seventy-six thousand, three hundred forty-five".