1374997 has 4 divisors (see below), whose sum is σ = 1480780. Its totient is φ = 1269216.

The previous prime is 1374983. The next prime is 1375007. The reversal of 1374997 is 7994731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 470596 = 951^2 + 686^2 .

It is not a de Polignac number, because 1374997 - 2⁷ = 1374869 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 (1374937) 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, 52872 + ... + 52897.

It is an arithmetic number, because the mean of its divisors is an integer number (370195).

2^1374997 is an apocalyptic number.

It is an amenable number.

1374997 is a deficient number, since it is larger than the sum of its proper divisors (105783).

1374997 is a wasteful number, since it uses less digits than its factorization.

1374997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105782.

The product of its digits is 47628, while the sum is 40.

The square root of 1374997 is about 1172.6026607509. The cubic root of 1374997 is about 111.1989236564.

The spelling of 1374997 in words is "one million, three hundred seventy-four thousand, nine hundred ninety-seven".