1374021 has 12 divisors (see below), whose sum is σ = 2165280. Its totient is φ = 832680.

The previous prime is 1374019. The next prime is 1374029. The reversal of 1374021 is 1204731.

It is not a de Polignac number, because 1374021 - 2¹ = 1374019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1373985 and 1374003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374029) 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, 6841 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (180440).

2^1374021 is an apocalyptic number.

1374021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1374021 is a deficient number, since it is larger than the sum of its proper divisors (791259).

1374021 is a wasteful number, since it uses less digits than its factorization.

1374021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896 (or 13893 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1374021 is about 1172.1864186212. The cubic root of 1374021 is about 111.1726070321.

Adding to 1374021 its reverse (1204731), we get a palindrome (2578752).

The spelling of 1374021 in words is "one million, three hundred seventy-four thousand, twenty-one".