12320452 has 6 divisors (see below), whose sum is σ = 21560798. Its totient is φ = 6160224.

The previous prime is 12320449. The next prime is 12320471. The reversal of 12320452 is 25402321.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 42436 = 3504^2 + 206^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540053 + ... + 1540060.

Almost surely, 2^12320452 is an apocalyptic number.

It is an amenable number.

12320452 is a deficient number, since it is larger than the sum of its proper divisors (9240346).

12320452 is a wasteful number, since it uses less digits than its factorization.

12320452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080117 (or 3080115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12320452 is about 3510.0501420920. The cubic root of 12320452 is about 230.9628945354.

Adding to 12320452 its reverse (25402321), we get a palindrome (37722773).

It can be divided in two parts, 123204 and 52, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 12320452 in words is "twelve million, three hundred twenty thousand, four hundred fifty-two".