1396957 has 4 divisors (see below), whose sum is σ = 1414720. Its totient is φ = 1379196.

The previous prime is 1396949. The next prime is 1396963. The reversal of 1396957 is 7596931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7596931 = 41 ⋅185291.

It is a cyclic number.

It is not a de Polignac number, because 1396957 - 2³ = 1396949 is a prime.

It is a pancake number, because a pancake can be divided into 1396957 parts by 1671 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396987) 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 3 ways as a sum of consecutive naturals, for example, 8763 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (353680).

2^1396957 is an apocalyptic number.

It is an amenable number.

1396957 is a deficient number, since it is larger than the sum of its proper divisors (17763).

1396957 is an equidigital number, since it uses as much as digits as its factorization.

1396957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17762.

The product of its digits is 51030, while the sum is 40.

The square root of 1396957 is about 1181.9293549109. The cubic root of 1396957 is about 111.7877837359.

The spelling of 1396957 in words is "one million, three hundred ninety-six thousand, nine hundred fifty-seven".