1013216 has 12 divisors (see below), whose sum is σ = 1994832. Its totient is φ = 506592.

The previous prime is 1013203. The next prime is 1013227. The reversal of 1013216 is 6123101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15800 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (166236).

2^1013216 is an apocalyptic number.

1013216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1013216 is a deficient number, since it is larger than the sum of its proper divisors (981616).

1013216 is an equidigital number, since it uses as much as digits as its factorization.

1013216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673 (or 31665 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1013216 is about 1006.5863102586. The cubic root of 1013216 is about 100.4386067618.

Adding to 1013216 its reverse (6123101), we get a palindrome (7136317).

The spelling of 1013216 in words is "one million, thirteen thousand, two hundred sixteen".