1013388 has 12 divisors (see below), whose sum is σ = 2364600. Its totient is φ = 337792.

The previous prime is 1013377. The next prime is 1013399. The reversal of 1013388 is 8833101.

It is an interprime number because it is at equal distance from previous prime (1013377) and next prime (1013399).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42213 + ... + 42236.

It is an arithmetic number, because the mean of its divisors is an integer number (197050).

2^1013388 is an apocalyptic number.

It is an amenable number.

1013388 is an abundant number, since it is smaller than the sum of its proper divisors (1351212).

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

1013388 is a wasteful number, since it uses less digits than its factorization.

1013388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84456 (or 84454 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1013388 is about 1006.6717439166. The cubic root of 1013388 is about 100.4442898090. Note that the first 3 decimals are identical.

Adding to 1013388 its reverse (8833101), we get a palindrome (9846489).

The spelling of 1013388 in words is "one million, thirteen thousand, three hundred eighty-eight".