1273604 has 12 divisors (see below), whose sum is σ = 2300928. Its totient is φ = 616200.

The previous prime is 1273567. The next prime is 1273609. The reversal of 1273604 is 4063721.

It is a self number, because there is not a number n which added to its sum of digits gives 1273604.

It is not an unprimeable number, because it can be changed into a prime (1273609) 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, 5012 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (191744).

2^1273604 is an apocalyptic number.

It is an amenable number.

1273604 is a deficient number, since it is larger than the sum of its proper divisors (1027324).

1273604 is a wasteful number, since it uses less digits than its factorization.

1273604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306 (or 10304 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1273604 is about 1128.5406505749. The cubic root of 1273604 is about 108.3955545260.

The spelling of 1273604 in words is "one million, two hundred seventy-three thousand, six hundred four".