1395215 has 8 divisors (see below), whose sum is σ = 1682208. Its totient is φ = 1110880.

The previous prime is 1395209. The next prime is 1395223. The reversal of 1395215 is 5125931.

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

It is not a de Polignac number, because 1395215 - 2¹² = 1391119 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1845.

It is an arithmetic number, because the mean of its divisors is an integer number (210276).

2^1395215 is an apocalyptic number.

1395215 is a deficient number, since it is larger than the sum of its proper divisors (286993).

1395215 is a wasteful number, since it uses less digits than its factorization.

1395215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its digits is 1350, while the sum is 26.

The square root of 1395215 is about 1181.1921943528. The cubic root of 1395215 is about 111.7412980961.

It can be divided in two parts, 1395 and 215, that multiplied together give a triangular number (299925 = T₇₇₄).

The spelling of 1395215 in words is "one million, three hundred ninety-five thousand, two hundred fifteen".