13404452 has 6 divisors (see below), whose sum is σ = 23457798. Its totient is φ = 6702224.

The previous prime is 13404451. The next prime is 13404509. The reversal of 13404452 is 25440431.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 2540836 = 3296^2 + 1594^2 .

It is not an unprimeable number, because it can be changed into a prime (13404451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675553 + ... + 1675560.

It is an arithmetic number, because the mean of its divisors is an integer number (3909633).

Almost surely, 2^13404452 is an apocalyptic number.

It is an amenable number.

13404452 is a deficient number, since it is larger than the sum of its proper divisors (10053346).

13404452 is a wasteful number, since it uses less digits than its factorization.

13404452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351117 (or 3351115 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13404452 is about 3661.2090899046. The cubic root of 13404452 is about 237.5470754330.

Adding to 13404452 its reverse (25440431), we get a palindrome (38844883).

The spelling of 13404452 in words is "thirteen million, four hundred four thousand, four hundred fifty-two".