1207664 has 10 divisors (see below), whose sum is σ = 2339880. Its totient is φ = 603824.

The previous prime is 1207649. The next prime is 1207681. The reversal of 1207664 is 4667021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37724 + ... + 37755.

It is an arithmetic number, because the mean of its divisors is an integer number (233988).

2^1207664 is an apocalyptic number.

It is an amenable number.

1207664 is a deficient number, since it is larger than the sum of its proper divisors (1132216).

1207664 is an equidigital number, since it uses as much as digits as its factorization.

1207664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75487 (or 75481 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1207664 is about 1098.9376688421. The cubic root of 1207664 is about 106.4916052072.

The spelling of 1207664 in words is "one million, two hundred seven thousand, six hundred sixty-four".