1273632 has 24 divisors (see below), whose sum is σ = 3343536. Its totient is φ = 424512.

The previous prime is 1273609. The next prime is 1273637. The reversal of 1273632 is 2363721.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1273637) 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, 6538 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (139314).

2^1273632 is an apocalyptic number.

1273632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1273632 is an abundant number, since it is smaller than the sum of its proper divisors (2069904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273632 is a wasteful number, since it uses less digits than its factorization.

1273632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13280 (or 13272 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 1273632 is about 1128.5530559083. The cubic root of 1273632 is about 108.3963488737.

The spelling of 1273632 in words is "one million, two hundred seventy-three thousand, six hundred thirty-two".