1372897 has 8 divisors (see below), whose sum is σ = 1440512. Its totient is φ = 1306800.

The previous prime is 1372879. The next prime is 1372913. The reversal of 1372897 is 7982731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372897 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹² + 7⁵ + 2⁹ + 8³ + 9² + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (180064).

2^1372897 is an apocalyptic number.

It is an amenable number.

1372897 is a deficient number, since it is larger than the sum of its proper divisors (67615).

1372897 is an equidigital number, since it uses as much as digits as its factorization.

1372897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759.

The product of its digits is 21168, while the sum is 37.

The square root of 1372897 is about 1171.7068746064. The cubic root of 1372897 is about 111.1422843273.

The spelling of 1372897 in words is "one million, three hundred seventy-two thousand, eight hundred ninety-seven".