1340207 has 8 divisors (see below), whose sum is σ = 1482960. Its totient is φ = 1200960.

The previous prime is 1340179. The next prime is 1340221. The reversal of 1340207 is 7020431.

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 1340207 - 2⁸ = 1339951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340237) 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, 32 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (185370).

2^1340207 is an apocalyptic number.

1340207 is a deficient number, since it is larger than the sum of its proper divisors (142753).

1340207 is a wasteful number, since it uses less digits than its factorization.

1340207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1340207 is about 1157.6730972084. The cubic root of 1340207 is about 110.2530537699.

Adding to 1340207 its reverse (7020431), we get a palindrome (8360638).

The spelling of 1340207 in words is "one million, three hundred forty thousand, two hundred seven".