1366900 has 18 divisors (see below), whose sum is σ = 2966390. Its totient is φ = 546720.

The previous prime is 1366889. The next prime is 1366903. The reversal of 1366900 is 96631.

It can be written as a sum of positive squares in 3 ways, for example, as 191844 + 1175056 = 438^2 + 1084^2 .

It is a super-2 number, since 2×1366900² = 3736831220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366903) 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, 6735 + ... + 6934.

2^1366900 is an apocalyptic number.

1366900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366900 is an abundant number, since it is smaller than the sum of its proper divisors (1599490).

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

1366900 is a wasteful number, since it uses less digits than its factorization.

1366900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683 (or 13676 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1366900 is about 1169.1449867318. The cubic root of 1366900 is about 110.9802199421.

The spelling of 1366900 in words is "one million, three hundred sixty-six thousand, nine hundred".