1372626 has 40 divisors (see below), whose sum is σ = 3172620. Its totient is φ = 443232.

The previous prime is 1372621. The next prime is 1372627. The reversal of 1372626 is 6262731.

It is a happy number.

1372626 is a `hidden beast` number, since 1 + 37 + 2 + 626 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 301401 = 1035^2 + 549^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1372626.

It is not an unprimeable number, because it can be changed into a prime (1372621) 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 19 ways as a sum of consecutive naturals, for example, 5880 + ... + 6108.

2^1372626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586310).

1372626 is an abundant number, since it is smaller than the sum of its proper divisors (1799994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372626 is a wasteful number, since it uses less digits than its factorization.

1372626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 271 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1372626 is about 1171.5912256414. The cubic root of 1372626 is about 111.1349709501.

The spelling of 1372626 in words is "one million, three hundred seventy-two thousand, six hundred twenty-six".