1378675 has 6 divisors (see below), whose sum is σ = 1709588. Its totient is φ = 1102920.

The previous prime is 1378673. The next prime is 1378679. The reversal of 1378675 is 5768731.

It is not a de Polignac number, because 1378675 - 2¹ = 1378673 is a prime.

It is a Duffinian number.

1378675 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1378673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27549 + ... + 27598.

2^1378675 is an apocalyptic number.

1378675 is a deficient number, since it is larger than the sum of its proper divisors (330913).

1378675 is an equidigital number, since it uses as much as digits as its factorization.

1378675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55157 (or 55152 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 1378675 is about 1174.1699195602. The cubic root of 1378675 is about 111.2979846026.

It can be divided in two parts, 13786 and 75, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 1378675 in words is "one million, three hundred seventy-eight thousand, six hundred seventy-five".