1378574 has 12 divisors (see below), whose sum is σ = 2163336. Its totient is φ = 658812.

The previous prime is 1378567. The next prime is 1378579. The reversal of 1378574 is 4758731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378579) 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, 407 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (180278).

2^1378574 is an apocalyptic number.

1378574 is a deficient number, since it is larger than the sum of its proper divisors (784762).

1378574 is a wasteful number, since it uses less digits than its factorization.

1378574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1328 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 1378574 is about 1174.1269096652. The cubic root of 1378574 is about 111.2952666860.

It can be divided in two parts, 13 and 78574, that added together give a palindrome (78587).

The spelling of 1378574 in words is "one million, three hundred seventy-eight thousand, five hundred seventy-four".