1372726 has 4 divisors (see below), whose sum is σ = 2059092. Its totient is φ = 686362.

The previous prime is 1372673. The next prime is 1372727. The reversal of 1372726 is 6272731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1372694 and 1372703.

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 as a sum of consecutive naturals, namely, 343180 + ... + 343183.

It is an arithmetic number, because the mean of its divisors is an integer number (514773).

2^1372726 is an apocalyptic number.

1372726 is a deficient number, since it is larger than the sum of its proper divisors (686366).

1372726 is an equidigital number, since it uses as much as digits as its factorization.

1372726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686365.

The product of its digits is 3528, while the sum is 28.

The square root of 1372726 is about 1171.6339018653. The cubic root of 1372726 is about 111.1376697253.

The spelling of 1372726 in words is "one million, three hundred seventy-two thousand, seven hundred twenty-six".