1315487 has 2 divisors, whose sum is σ = 1315488. Its totient is φ = 1315486.

The previous prime is 1315481. The next prime is 1315493. The reversal of 1315487 is 7845131.

It is a balanced prime because it is at equal distance from previous prime (1315481) and next prime (1315493).

It is a cyclic number.

It is not a de Polignac number, because 1315487 - 2⁸ = 1315231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657743 + 657744.

It is an arithmetic number, because the mean of its divisors is an integer number (657744).

2^1315487 is an apocalyptic number.

1315487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315487 is an equidigital number, since it uses as much as digits as its factorization.

1315487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 1315487 is about 1146.9468165525. The cubic root of 1315487 is about 109.5709734968.

The spelling of 1315487 in words is "one million, three hundred fifteen thousand, four hundred eighty-seven".