1296503 has 16 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 1088640.

The previous prime is 1296499. The next prime is 1296511. The reversal of 1296503 is 3056921.

It is a cyclic number.

It is not a de Polignac number, because 1296503 - 2² = 1296499 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296523) 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, 7073 + ... + 7253.

It is an arithmetic number, because the mean of its divisors is an integer number (95550).

2^1296503 is an apocalyptic number.

1296503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1296503 is a deficient number, since it is larger than the sum of its proper divisors (232297).

1296503 is a wasteful number, since it uses less digits than its factorization.

1296503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1296503 is about 1138.6408564600. The cubic root of 1296503 is about 109.0413388637.

The spelling of 1296503 in words is "one million, two hundred ninety-six thousand, five hundred three".