1396737 has 24 divisors (see below), whose sum is σ = 2210400. Its totient is φ = 871488.

The previous prime is 1396723. The next prime is 1396751. The reversal of 1396737 is 7376931.

It is an interprime number because it is at equal distance from previous prime (1396723) and next prime (1396751).

It is not a de Polignac number, because 1396737 - 2⁶ = 1396673 is a prime.

It is an Ulam number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1396757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7714 + ... + 7892.

It is an arithmetic number, because the mean of its divisors is an integer number (92100).

It is a Proth number, since it is equal to 341 ⋅ 2¹² + 1 and 341 < 2¹².

2^1396737 is an apocalyptic number.

1396737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1396737 is a deficient number, since it is larger than the sum of its proper divisors (813663).

1396737 is a wasteful number, since it uses less digits than its factorization.

1396737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 199 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 1396737 is about 1181.8362830782. The cubic root of 1396737 is about 111.7819151220.

The spelling of 1396737 in words is "one million, three hundred ninety-six thousand, seven hundred thirty-seven".