1315224 has 32 divisors (see below), whose sum is σ = 3654000. Its totient is φ = 438336.

The previous prime is 1315213. The next prime is 1315229. The reversal of 1315224 is 4225131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1315197 and 1315206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829 + ... + 3260.

2^1315224 is an apocalyptic number.

It is an amenable number.

1315224 is an abundant number, since it is smaller than the sum of its proper divisors (2338776).

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

1315224 is a wasteful number, since it uses less digits than its factorization.

1315224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6094 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1315224 is about 1146.8321586004. The cubic root of 1315224 is about 109.5636709828.

The spelling of 1315224 in words is "one million, three hundred fifteen thousand, two hundred twenty-four".