1300424 has 8 divisors (see below), whose sum is σ = 2438310. Its totient is φ = 650208.

The previous prime is 1300423. The next prime is 1300433. The reversal of 1300424 is 4240031.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 611524 = 830^2 + 782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1300424² = 3382205159552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300399 and 1300408.

It is not an unprimeable number, because it can be changed into a prime (1300421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81269 + ... + 81284.

2^1300424 is an apocalyptic number.

It is an amenable number.

1300424 is a deficient number, since it is larger than the sum of its proper divisors (1137886).

1300424 is a wasteful number, since it uses less digits than its factorization.

1300424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162559 (or 162555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1300424 is about 1140.3613462407. The cubic root of 1300424 is about 109.1511524159.

Adding to 1300424 its reverse (4240031), we get a palindrome (5540455).

The spelling of 1300424 in words is "one million, three hundred thousand, four hundred twenty-four".