1373427 has 12 divisors (see below), whose sum is σ = 2164344. Its totient is φ = 832320.

The previous prime is 1373419. The next prime is 1373431. The reversal of 1373427 is 7243731.

1373427 = T₁₉₈ + T₁₉₉ + ... + T₂₅₁.

It is not a de Polignac number, because 1373427 - 2³ = 1373419 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 1 + 3 + 7 + 3¹² + 4⁷ + 2¹¹ + 7⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 1373427.

It is not an unprimeable number, because it can be changed into a prime (1373417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6838 + ... + 7035.

It is an arithmetic number, because the mean of its divisors is an integer number (180362).

2^1373427 is an apocalyptic number.

1373427 is a deficient number, since it is larger than the sum of its proper divisors (790917).

1373427 is a wasteful number, since it uses less digits than its factorization.

1373427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890 (or 13887 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 1373427 is about 1171.9330185638. The cubic root of 1373427 is about 111.1565844611.

The spelling of 1373427 in words is "one million, three hundred seventy-three thousand, four hundred twenty-seven".