1376997 has 8 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 909360.

The previous prime is 1376981. The next prime is 1377023. The reversal of 1376997 is 7996731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1376997 - 2⁴ = 1376981 is a prime.

It is a super-2 number, since 2×1376997² = 3792241476018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (231660).

2^1376997 is an apocalyptic number.

It is an amenable number.

1376997 is a deficient number, since it is larger than the sum of its proper divisors (476283).

1376997 is a wasteful number, since it uses less digits than its factorization.

1376997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323.

The product of its digits is 71442, while the sum is 42.

The square root of 1376997 is about 1173.4551546608. The cubic root of 1376997 is about 111.2528122843.

The spelling of 1376997 in words is "one million, three hundred seventy-six thousand, nine hundred ninety-seven".