1273972 has 24 divisors (see below), whose sum is σ = 2572416. Its totient is φ = 540768.

The previous prime is 1273957. The next prime is 1273981. The reversal of 1273972 is 2793721.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 4975.

It is an arithmetic number, because the mean of its divisors is an integer number (107184).

2^1273972 is an apocalyptic number.

It is an amenable number.

1273972 is an abundant number, since it is smaller than the sum of its proper divisors (1298444).

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

1273972 is a wasteful number, since it uses less digits than its factorization.

1273972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 1273972 is about 1128.7036812202. The cubic root of 1273972 is about 108.4059935957.

It can be divided in two parts, 12 and 73972, that added together give a square (73984 = 272²).

The spelling of 1273972 in words is "one million, two hundred seventy-three thousand, nine hundred seventy-two".