1297315 has 16 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 956032.

The previous prime is 1297313. The next prime is 1297333. The reversal of 1297315 is 5137921.

It is a cyclic number.

It is not a de Polignac number, because 1297315 - 2¹ = 1297313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3141 + ... + 3529.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2^1297315 is an apocalyptic number.

1297315 is a deficient number, since it is larger than the sum of its proper divisors (387485).

1297315 is a wasteful number, since it uses less digits than its factorization.

1297315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its digits is 1890, while the sum is 28.

The square root of 1297315 is about 1138.9973661076. The cubic root of 1297315 is about 109.0640983146.

Subtracting 1297315 from its reverse (5137921), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1297315 in words is "one million, two hundred ninety-seven thousand, three hundred fifteen".