1366974 has 48 divisors (see below), whose sum is σ = 3569280. Its totient is φ = 369360.

The previous prime is 1366957. The next prime is 1366979. The reversal of 1366974 is 4796631.

It is a d-powerful number, because it can be written as 1 + 3¹² + 6² + 6⁵ + 9² + 7⁷ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (74360).

2^1366974 is an apocalyptic number.

1366974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784640).

1366974 is an abundant number, since it is smaller than the sum of its proper divisors (2202306).

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

1366974 is a wasteful number, since it uses less digits than its factorization.

1366974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 602 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1366974 is about 1169.1766333621. The cubic root of 1366974 is about 110.9822226217.

The spelling of 1366974 in words is "one million, three hundred sixty-six thousand, nine hundred seventy-four".