1013428 has 12 divisors (see below), whose sum is σ = 1910020. Its totient is φ = 467712.

The previous prime is 1013401. The next prime is 1013429. The reversal of 1013428 is 8243101.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 944784 = 262^2 + 972^2 .

It is a super-2 number, since 2×1013428² = 2054072622368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9693 + ... + 9796.

2^1013428 is an apocalyptic number.

It is an amenable number.

1013428 is a deficient number, since it is larger than the sum of its proper divisors (896592).

1013428 is a wasteful number, since it uses less digits than its factorization.

1013428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506 (or 19504 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1013428 is about 1006.6916111700. The cubic root of 1013428 is about 100.4456113557.

Adding to 1013428 its reverse (8243101), we get a palindrome (9256529).

It can be divided in two parts, 1013 and 428, that added together give a palindrome (1441).

The spelling of 1013428 in words is "one million, thirteen thousand, four hundred twenty-eight".