1397099 has 8 divisors (see below), whose sum is σ = 1539648. Its totient is φ = 1257160.

The previous prime is 1397087. The next prime is 1397101. The reversal of 1397099 is 9907931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1397099 - 2¹² = 1393003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (192456).

2^1397099 is an apocalyptic number.

1397099 is a deficient number, since it is larger than the sum of its proper divisors (142549).

1397099 is a wasteful number, since it uses less digits than its factorization.

1397099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 1397099 is about 1181.9894246566. The cubic root of 1397099 is about 111.7915713321.

The spelling of 1397099 in words is "one million, three hundred ninety-seven thousand, ninety-nine".