1372717 has 4 divisors (see below), whose sum is σ = 1380096. Its totient is φ = 1365340.

The previous prime is 1372673. The next prime is 1372727. The reversal of 1372717 is 7172731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1372717 - 2¹¹ = 1370669 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 (1372727) 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 3 ways as a sum of consecutive naturals, for example, 3403 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (345024).

2^1372717 is an apocalyptic number.

It is an amenable number.

1372717 is a deficient number, since it is larger than the sum of its proper divisors (7379).

1372717 is an equidigital number, since it uses as much as digits as its factorization.

1372717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378.

The product of its digits is 2058, while the sum is 28.

The square root of 1372717 is about 1171.6300610688. The cubic root of 1372717 is about 111.1374268409.

The spelling of 1372717 in words is "one million, three hundred seventy-two thousand, seven hundred seventeen".