1366752 has 48 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 435072.

The previous prime is 1366747. The next prime is 1366753. The reversal of 1366752 is 2576631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1366752² = 3736022059008, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 3⁵ + 6⁵ + 6⁵ + 7⁷ + 5⁵ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1366752 is an apocalyptic number.

1366752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

1366752 is an abundant number, since it is smaller than the sum of its proper divisors (2383008).

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

1366752 is a wasteful number, since it uses less digits than its factorization.

1366752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 647 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 1366752 is about 1169.0816909010. The cubic root of 1366752 is about 110.9762143662.

The spelling of 1366752 in words is "one million, three hundred sixty-six thousand, seven hundred fifty-two".