1217295 has 32 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 635040.

The previous prime is 1217269. The next prime is 1217297. The reversal of 1217295 is 5927121.

It is not a de Polignac number, because 1217295 - 2¹⁵ = 1184527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9522 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2^1217295 is an apocalyptic number.

1217295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1217295 is a deficient number, since it is larger than the sum of its proper divisors (994545).

1217295 is a wasteful number, since it uses less digits than its factorization.

1217295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1217295 is about 1103.3109262579. The cubic root of 1217295 is about 106.7739426393.

The spelling of 1217295 in words is "one million, two hundred seventeen thousand, two hundred ninety-five".