1217007 has 24 divisors (see below), whose sum is σ = 2021760. Its totient is φ = 697680.

The previous prime is 1216997. The next prime is 1217009. The reversal of 1217007 is 7007121.

It is not a de Polignac number, because 1217007 - 2⁷ = 1216879 is a prime.

It is a super-2 number, since 2×1217007² = 2962212076098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217009) 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, 1558 + ... + 2204.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2^1217007 is an apocalyptic number.

1217007 is a deficient number, since it is larger than the sum of its proper divisors (804753).

1217007 is a wasteful number, since it uses less digits than its factorization.

1217007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 1217007 is about 1103.1804022915. The cubic root of 1217007 is about 106.7655214210.

The spelling of 1217007 in words is "one million, two hundred seventeen thousand, seven".