1374287 has 4 divisors (see below), whose sum is σ = 1397640. Its totient is φ = 1350936.

The previous prime is 1374277. The next prime is 1374299. The reversal of 1374287 is 7824731.

It is a happy number.

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 1374287 - 2⁴ = 1374271 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 (1374257) 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, 11588 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (349410).

2^1374287 is an apocalyptic number.

1374287 is a deficient number, since it is larger than the sum of its proper divisors (23353).

1374287 is an equidigital number, since it uses as much as digits as its factorization.

1374287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352.

The product of its digits is 9408, while the sum is 32.

The square root of 1374287 is about 1172.2998763115. The cubic root of 1374287 is about 111.1797806258.

It can be divided in two parts, 1374 and 287, that added together give a palindrome (1661).

The spelling of 1374287 in words is "one million, three hundred seventy-four thousand, two hundred eighty-seven".