1219697 has 4 divisors (see below), whose sum is σ = 1245696. Its totient is φ = 1193700.

The previous prime is 1219679. The next prime is 1219703. The reversal of 1219697 is 7969121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1219697 - 2¹⁸ = 957553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1219607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12929 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (311424).

2^1219697 is an apocalyptic number.

It is an amenable number.

1219697 is a deficient number, since it is larger than the sum of its proper divisors (25999).

1219697 is an equidigital number, since it uses as much as digits as its factorization.

1219697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25998.

The product of its digits is 6804, while the sum is 35.

The square root of 1219697 is about 1104.3989315460. The cubic root of 1219697 is about 106.8441262576.

The spelling of 1219697 in words is "one million, two hundred nineteen thousand, six hundred ninety-seven".