1294387 has 4 divisors (see below), whose sum is σ = 1297440. Its totient is φ = 1291336.

The previous prime is 1294369. The next prime is 1294393. The reversal of 1294387 is 7834921.

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

It is a cyclic number.

It is not a de Polignac number, because 1294387 - 2¹¹ = 1292339 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294367) 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, 763 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (324360).

2^1294387 is an apocalyptic number.

1294387 is a deficient number, since it is larger than the sum of its proper divisors (3053).

1294387 is an equidigital number, since it uses as much as digits as its factorization.

1294387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its digits is 12096, while the sum is 34.

The square root of 1294387 is about 1137.7112990561. The cubic root of 1294387 is about 108.9819850709.

It can be divided in two parts, 1294 and 387, that added together give a square (1681 = 41²).

The spelling of 1294387 in words is "one million, two hundred ninety-four thousand, three hundred eighty-seven".