1395261 has 12 divisors (see below), whose sum is σ = 2303392. Its totient is φ = 797256.

The previous prime is 1395223. The next prime is 1395263. The reversal of 1395261 is 1625931.

1395261 is a `hidden beast` number, since 139 + 526 + 1 = 666.

It is not a de Polignac number, because 1395261 - 2⁹ = 1394749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395263) 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 11 ways as a sum of consecutive naturals, for example, 11011 + ... + 11136.

2^1395261 is an apocalyptic number.

It is an amenable number.

1395261 is a deficient number, since it is larger than the sum of its proper divisors (908131).

1395261 is a wasteful number, since it uses less digits than its factorization.

1395261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22160 (or 22157 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1395261 is about 1181.2116660447. The cubic root of 1395261 is about 111.7425261131.

The spelling of 1395261 in words is "one million, three hundred ninety-five thousand, two hundred sixty-one".