1272493 has 4 divisors (see below), whose sum is σ = 1283868. Its totient is φ = 1261120.

The previous prime is 1272461. The next prime is 1272539. The reversal of 1272493 is 3942721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 611524 = 813^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272493 - 2⁵ = 1272461 is a prime.

It is a Duffinian 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 (1272443) 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, 5518 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (320967).

2^1272493 is an apocalyptic number.

It is an amenable number.

1272493 is a deficient number, since it is larger than the sum of its proper divisors (11375).

1272493 is a wasteful number, since it uses less digits than its factorization.

1272493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11374.

The product of its digits is 3024, while the sum is 28.

The square root of 1272493 is about 1128.0483145681. The cubic root of 1272493 is about 108.3640265431.

The spelling of 1272493 in words is "one million, two hundred seventy-two thousand, four hundred ninety-three".