1513216 has 36 divisors (see below), whose sum is σ = 3164112. Its totient is φ = 720896.

The previous prime is 1513207. The next prime is 1513219. The reversal of 1513216 is 6123151.

It is a junction number, because it is equal to n+sod(n) for n = 1513193 and 1513202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5760 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (87892).

2^1513216 is an apocalyptic number.

1513216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582056).

1513216 is an abundant number, since it is smaller than the sum of its proper divisors (1650896).

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

1513216 is an equidigital number, since it uses as much as digits as its factorization.

1513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 282 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 1513216 is about 1230.1284485776. The cubic root of 1513216 is about 114.8066315618.

Adding to 1513216 its reverse (6123151), we get a palindrome (7636367).

It can be divided in two parts, 15 and 13216, that added together give a palindrome (13231).

The spelling of 1513216 in words is "one million, five hundred thirteen thousand, two hundred sixteen".