1300400 has 30 divisors (see below), whose sum is σ = 3125172. Its totient is φ = 520000.

The previous prime is 1300391. The next prime is 1300421. The reversal of 1300400 is 40031.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226 + ... + 2025.

2^1300400 is an apocalyptic number.

1300400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300400 is an abundant number, since it is smaller than the sum of its proper divisors (1824772).

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

1300400 is a wasteful number, since it uses less digits than its factorization.

1300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1300400 is about 1140.3508232119. The cubic root of 1300400 is about 109.1504809314.

Adding to 1300400 its reverse (40031), we get a palindrome (1340431).

The spelling of 1300400 in words is "one million, three hundred thousand, four hundred".