1303487 has 4 divisors (see below), whose sum is σ = 1325640. Its totient is φ = 1281336.

The previous prime is 1303481. The next prime is 1303493. The reversal of 1303487 is 7843031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1303481) and next prime (1303493).

It is a cyclic number.

It is not a de Polignac number, because 1303487 - 2¹⁸ = 1041343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10988 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (331410).

2^1303487 is an apocalyptic number.

1303487 is a deficient number, since it is larger than the sum of its proper divisors (22153).

1303487 is an equidigital number, since it uses as much as digits as its factorization.

1303487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22152.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1303487 is about 1141.7035517156. The cubic root of 1303487 is about 109.2367829053.

The spelling of 1303487 in words is "one million, three hundred three thousand, four hundred eighty-seven".