1372689 has 12 divisors (see below), whose sum is σ = 2029456. Its totient is φ = 893592.

The previous prime is 1372673. The next prime is 1372727. The reversal of 1372689 is 9862731.

It is not a de Polignac number, because 1372689 - 2⁴ = 1372673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387 + ... + 2160.

2^1372689 is an apocalyptic number.

It is an amenable number.

1372689 is a deficient number, since it is larger than the sum of its proper divisors (656767).

1372689 is a wasteful number, since it uses less digits than its factorization.

1372689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3593 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1372689 is about 1171.6181118436. The cubic root of 1372689 is about 111.1366711938.

The spelling of 1372689 in words is "one million, three hundred seventy-two thousand, six hundred eighty-nine".