1374681 has 24 divisors (see below), whose sum is σ = 2306752. Its totient is φ = 712800.

The previous prime is 1374677. The next prime is 1374683. The reversal of 1374681 is 1864731.

It is a happy number.

It is not a de Polignac number, because 1374681 - 2² = 1374677 is a prime.

It is a super-2 number, since 2×1374681² = 3779495703522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1374683) 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 23 ways as a sum of consecutive naturals, for example, 2271 + ... + 2811.

2^1374681 is an apocalyptic number.

1374681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1374681 is a deficient number, since it is larger than the sum of its proper divisors (932071).

1374681 is a wasteful number, since it uses less digits than its factorization.

1374681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 562 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 1374681 is about 1172.4679100086. The cubic root of 1374681 is about 111.1904044737.

The spelling of 1374681 in words is "one million, three hundred seventy-four thousand, six hundred eighty-one".