1239452 has 12 divisors (see below), whose sum is σ = 2183496. Its totient is φ = 615600.

The previous prime is 1239449. The next prime is 1239457. The reversal of 1239452 is 2549321.

It is a d-powerful number, because it can be written as 1 + 2¹⁶ + 3¹⁰ + 9³ + 4⁸ + 5² + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (181958).

2^1239452 is an apocalyptic number.

It is an amenable number.

1239452 is a deficient number, since it is larger than the sum of its proper divisors (944044).

1239452 is a wasteful number, since it uses less digits than its factorization.

1239452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2066 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1239452 is about 1113.3067861106. The cubic root of 1239452 is about 107.4178785112.

The spelling of 1239452 in words is "one million, two hundred thirty-nine thousand, four hundred fifty-two".