1293387 has 8 divisors (see below), whose sum is σ = 1815360. Its totient is φ = 816840.

The previous prime is 1293373. The next prime is 1293401. The reversal of 1293387 is 7833921.

It is an interprime number because it is at equal distance from previous prime (1293373) and next prime (1293401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1293387 - 2⁶ = 1293323 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1293307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11289 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (226920).

2^1293387 is an apocalyptic number.

1293387 is a deficient number, since it is larger than the sum of its proper divisors (521973).

1293387 is a wasteful number, since it uses less digits than its factorization.

1293387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22713.

The product of its digits is 9072, while the sum is 33.

The square root of 1293387 is about 1137.2717353386. The cubic root of 1293387 is about 108.9539125644.

The spelling of 1293387 in words is "one million, two hundred ninety-three thousand, three hundred eighty-seven".