1264606 has 16 divisors (see below), whose sum is σ = 2206080. Its totient is φ = 532440.

The previous prime is 1264597. The next prime is 1264607. The reversal of 1264606 is 6064621.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (137880).

2^1264606 is an apocalyptic number.

1264606 is a deficient number, since it is larger than the sum of its proper divisors (941474).

1264606 is a wasteful number, since it uses less digits than its factorization.

1264606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1264606 is about 1124.5470199151. The cubic root of 1264606 is about 108.1396798094.

The spelling of 1264606 in words is "one million, two hundred sixty-four thousand, six hundred six".