1370427 has 4 divisors (see below), whose sum is σ = 1827240. Its totient is φ = 913616.

The previous prime is 1370407. The next prime is 1370431. The reversal of 1370427 is 7240731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7240731 = 3 ⋅2413577.

It is a cyclic number.

It is not a de Polignac number, because 1370427 - 2¹⁴ = 1354043 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1370397 and 1370406.

It is not an unprimeable number, because it can be changed into a prime (1370407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228402 + ... + 228407.

It is an arithmetic number, because the mean of its divisors is an integer number (456810).

2^1370427 is an apocalyptic number.

1370427 is a deficient number, since it is larger than the sum of its proper divisors (456813).

1370427 is an equidigital number, since it uses as much as digits as its factorization.

1370427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456812.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1370427 is about 1170.6523822211. The cubic root of 1370427 is about 111.0755917206.

It can be divided in two parts, 13704 and 27, that added together give a palindrome (13731).

The spelling of 1370427 in words is "one million, three hundred seventy thousand, four hundred twenty-seven".