1315272 has 32 divisors (see below), whose sum is σ = 3758400. Its totient is φ = 375744.

The previous prime is 1315253. The next prime is 1315283. The reversal of 1315272 is 2725131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 3747 + ... + 4082.

It is an arithmetic number, because the mean of its divisors is an integer number (117450).

2^1315272 is an apocalyptic number.

1315272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315272 is an abundant number, since it is smaller than the sum of its proper divisors (2443128).

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

1315272 is a wasteful number, since it uses less digits than its factorization.

1315272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845 (or 7841 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1315272 is about 1146.8530856217. The cubic root of 1315272 is about 109.5650038336.

The spelling of 1315272 in words is "one million, three hundred fifteen thousand, two hundred seventy-two".